18945721920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 448

約数和(自身を含む): 65731461120

約数和(自身を除く): 46785739200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 89, 92, 93, 96, 115, 120, 124, 138, 155, 160, 178, 184, 186, 192, 230, 240, 248, 267, 276, 310, 311, 320, 345, 356, 368, 372, 445, 460, 465, 480, 496, 534, 552, 620, 622, 690, 712, 713, 736, 744, 890, 920, 930, 933, 960, 992, 1068, 1104, 1240, 1244, 1335, 1380, 1424, 1426, 1472, 1488, 1555, 1780, 1840, 1860, 1866, 1984, 2047, 2136, 2139, 2208, 2480, 2488, 2670, 2759, 2760, 2848, 2852, 2976, 3110, 3560, 3565, 3680, 3720, 3732, 4094, 4272, 4278, 4416, 4665, 4960, 4976, 5340, 5518, 5520, 5696, 5704, 5952, 6141, 6220, 7120, 7130, 7153, 7360, 7440, 7464, 8188, 8277, 8544, 8556, 9330, 9641, 9920, 9952, 10235, 10680, 10695, 11036, 11040, 11408, 12282, 12440, 13795, 14240, 14260, 14306, 14880, 14928, 16376, 16554, 17088, 17112, 18660, 19282, 19904, 20470, 21360, 21390, 21459, 22072, 22080, 22816, 24564, 24880, 27590, 27679, 28480, 28520, 28612, 28923, 29760, 29856, 30705, 32752, 33108, 34224, 35765, 37320, 38564, 40940, 41385, 42720, 42780, 42918, 44144, 45632, 48205, 49128, 49760, 55180, 55358, 57040, 57224, 57846, 59712, 61410, 63457, 65504, 66216, 68448, 71530, 74640, 77128, 81880, 82770, 83037, 85440, 85560, 85836, 88288, 96410, 98256, 99520, 107295, 110360, 110716, 114080, 114448, 115692, 122820, 126914, 131008, 132432, 136896, 138395, 143060, 144615, 149280, 154256, 163760, 165540, 166074, 171120, 171672, 176576, 190371, 192820, 196512, 214590, 220720, 221432, 221743, 228160, 228896, 231384, 245640, 253828, 264864, 276790, 286120, 289230, 298560, 308512, 317285, 327520, 331080, 332148, 342240, 343344, 380742, 385640, 393024, 415185, 429180, 441440, 442864, 443486, 457792, 462768, 491280, 507656, 529728, 553580, 572240, 578460, 617024, 634570, 636617, 655040, 662160, 664296, 665229, 684480, 686688, 761484, 771280, 830370, 858049, 858360, 882880, 885728, 886972, 925536, 951855, 982560, 1015312, 1107160, 1108715, 1144480, 1156920, 1269140, 1273234, 1324320, 1328592, 1330458, 1373376, 1522968, 1542560, 1660740, 1716098, 1716720, 1771456, 1773944, 1851072, 1903710, 1909851, 1965120, 2030624, 2214320, 2217430, 2288960, 2313840, 2538280, 2546468, 2574147, 2648640, 2657184, 2660916, 3045936, 3085120, 3183085, 3321480, 3326145, 3432196, 3433440, 3547888, 3807420, 3819702, 4061248, 4290245, 4428640, 4434860, 4627680, 5076560, 5092936, 5148294, 5314368, 5321832, 6091872, 6366170, 6642960, 6652290, 6864392, 6866880, 7095776, 7614840, 7639404, 8580490, 8857280, 8869720, 9255360, 9549255, 10153120, 10185872, 10296588, 10643664, 12183744, 12732340, 12870735, 13285920, 13304580, 13728784, 14191552, 15229680, 15278808, 17160980, 17739440, 19098510, 19735127, 20306240, 20371744, 20593176, 21287328, 25464680, 25741470, 26571840, 26609160, 27457568, 30459360, 30557616, 34321960, 35478880, 38197020, 39470254, 40743488, 41186352, 42574656, 50929360, 51482940, 53218320, 54915136, 59205381, 60918720, 61115232, 68643920, 70957760, 76394040, 78940508, 82372704, 98675635, 101858720, 102965880, 106436640, 118410762, 122230464, 137287840, 152788080, 157881016, 164745408, 197351270, 203717440, 205931760, 212873280, 236821524, 274575680, 296026905, 305576160, 315762032, 394702540, 411863520, 473643048, 592053810, 611152320, 631524064, 789405080, 823727040, 947286096, 1184107620, 1263048128, 1578810160, 1894572192, 2368215240, 3157620320, 3789144384, 4736430480, 6315240640, 9472860960, 18945721920]

約数ペア:

[(1, 18945721920), (2, 9472860960), (3, 6315240640), (4, 4736430480), (5, 3789144384), (6, 3157620320), (8, 2368215240), (10, 1894572192), (12, 1578810160), (15, 1263048128), (16, 1184107620), (20, 947286096), (23, 823727040), (24, 789405080), (30, 631524064), (31, 611152320), (32, 592053810), (40, 473643048), (46, 411863520), (48, 394702540), (60, 315762032), (62, 305576160), (64, 296026905), (69, 274575680), (80, 236821524), (89, 212873280), (92, 205931760), (93, 203717440), (96, 197351270), (115, 164745408), (120, 157881016), (124, 152788080), (138, 137287840), (155, 122230464), (160, 118410762), (178, 106436640), (184, 102965880), (186, 101858720), (192, 98675635), (230, 82372704), (240, 78940508), (248, 76394040), (267, 70957760), (276, 68643920), (310, 61115232), (311, 60918720), (320, 59205381), (345, 54915136), (356, 53218320), (368, 51482940), (372, 50929360), (445, 42574656), (460, 41186352), (465, 40743488), (480, 39470254), (496, 38197020), (534, 35478880), (552, 34321960), (620, 30557616), (622, 30459360), (690, 27457568), (712, 26609160), (713, 26571840), (736, 25741470), (744, 25464680), (890, 21287328), (920, 20593176), (930, 20371744), (933, 20306240), (960, 19735127), (992, 19098510), (1068, 17739440), (1104, 17160980), (1240, 15278808), (1244, 15229680), (1335, 14191552), (1380, 13728784), (1424, 13304580), (1426, 13285920), (1472, 12870735), (1488, 12732340), (1555, 12183744), (1780, 10643664), (1840, 10296588), (1860, 10185872), (1866, 10153120), (1984, 9549255), (2047, 9255360), (2136, 8869720), (2139, 8857280), (2208, 8580490), (2480, 7639404), (2488, 7614840), (2670, 7095776), (2759, 6866880), (2760, 6864392), (2848, 6652290), (2852, 6642960), (2976, 6366170), (3110, 6091872), (3560, 5321832), (3565, 5314368), (3680, 5148294), (3720, 5092936), (3732, 5076560), (4094, 4627680), (4272, 4434860), (4278, 4428640), (4416, 4290245), (4665, 4061248), (4960, 3819702), (4976, 3807420), (5340, 3547888), (5518, 3433440), (5520, 3432196), (5696, 3326145), (5704, 3321480), (5952, 3183085), (6141, 3085120), (6220, 3045936), (7120, 2660916), (7130, 2657184), (7153, 2648640), (7360, 2574147), (7440, 2546468), (7464, 2538280), (8188, 2313840), (8277, 2288960), (8544, 2217430), (8556, 2214320), (9330, 2030624), (9641, 1965120), (9920, 1909851), (9952, 1903710), (10235, 1851072), (10680, 1773944), (10695, 1771456), (11036, 1716720), (11040, 1716098), (11408, 1660740), (12282, 1542560), (12440, 1522968), (13795, 1373376), (14240, 1330458), (14260, 1328592), (14306, 1324320), (14880, 1273234), (14928, 1269140), (16376, 1156920), (16554, 1144480), (17088, 1108715), (17112, 1107160), (18660, 1015312), (19282, 982560), (19904, 951855), (20470, 925536), (21360, 886972), (21390, 885728), (21459, 882880), (22072, 858360), (22080, 858049), (22816, 830370), (24564, 771280), (24880, 761484), (27590, 686688), (27679, 684480), (28480, 665229), (28520, 664296), (28612, 662160), (28923, 655040), (29760, 636617), (29856, 634570), (30705, 617024), (32752, 578460), (33108, 572240), (34224, 553580), (35765, 529728), (37320, 507656), (38564, 491280), (40940, 462768), (41385, 457792), (42720, 443486), (42780, 442864), (42918, 441440), (44144, 429180), (45632, 415185), (48205, 393024), (49128, 385640), (49760, 380742), (55180, 343344), (55358, 342240), (57040, 332148), (57224, 331080), (57846, 327520), (59712, 317285), (61410, 308512), (63457, 298560), (65504, 289230), (66216, 286120), (68448, 276790), (71530, 264864), (74640, 253828), (77128, 245640), (81880, 231384), (82770, 228896), (83037, 228160), (85440, 221743), (85560, 221432), (85836, 220720), (88288, 214590), (96410, 196512), (98256, 192820), (99520, 190371), (107295, 176576), (110360, 171672), (110716, 171120), (114080, 166074), (114448, 165540), (115692, 163760), (122820, 154256), (126914, 149280), (131008, 144615), (132432, 143060), (136896, 138395)]