989815120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 320

約数和(自身を含む): 2952953856

約数和(自身を除く): 1963138736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 37, 40, 46, 56, 62, 67, 70, 74, 80, 92, 112, 115, 124, 134, 140, 148, 155, 161, 184, 185, 217, 230, 248, 259, 268, 280, 296, 310, 322, 335, 368, 370, 434, 460, 469, 496, 518, 536, 560, 592, 620, 644, 670, 713, 740, 805, 851, 868, 920, 938, 1036, 1072, 1085, 1147, 1240, 1288, 1295, 1340, 1426, 1480, 1541, 1610, 1702, 1736, 1840, 1876, 2072, 2077, 2170, 2294, 2345, 2479, 2480, 2576, 2590, 2680, 2852, 2960, 3082, 3220, 3404, 3472, 3565, 3752, 4144, 4154, 4255, 4340, 4588, 4690, 4958, 4991, 5180, 5360, 5704, 5735, 5957, 6164, 6440, 6808, 7130, 7504, 7705, 8029, 8308, 8510, 8680, 9176, 9380, 9916, 9982, 10360, 10385, 10787, 11408, 11470, 11914, 12328, 12395, 12880, 13616, 14260, 14539, 15410, 16058, 16616, 17020, 17353, 17360, 18352, 18760, 19832, 19964, 20720, 20770, 21574, 22940, 23828, 24656, 24790, 24955, 26381, 28520, 29078, 29785, 30820, 32116, 33232, 34040, 34706, 37520, 39664, 39928, 40145, 41540, 43148, 45880, 47656, 47771, 49580, 49910, 52762, 53935, 57017, 57040, 58156, 59570, 61640, 64232, 68080, 69412, 72695, 76849, 79856, 80290, 83080, 86296, 86765, 91760, 95312, 95542, 99160, 99820, 105524, 107870, 114034, 116312, 119140, 123280, 128464, 131905, 138824, 145390, 153698, 160580, 166160, 172592, 173530, 184667, 191084, 198320, 199640, 211048, 215740, 228068, 232624, 238280, 238855, 263810, 277648, 285085, 290780, 307396, 321160, 334397, 347060, 369334, 382168, 384245, 399119, 399280, 422096, 431480, 456136, 476560, 477710, 527620, 537943, 570170, 581560, 614792, 642320, 668794, 694120, 738668, 764336, 768490, 798238, 862960, 912272, 923335, 955420, 1055240, 1075886, 1140340, 1163120, 1229584, 1337588, 1388240, 1477336, 1536980, 1596476, 1671985, 1767527, 1846670, 1910840, 1995595, 2110480, 2151772, 2280680, 2675176, 2689715, 2954672, 3073960, 3192952, 3343970, 3535054, 3693340, 3821680, 3991190, 4303544, 4561360, 5350352, 5379430, 6147920, 6385904, 6687940, 7070108, 7386680, 7982380, 8607088, 8837635, 10758860, 12372689, 13375880, 14140216, 14773360, 15964760, 17675270, 21517720, 24745378, 26751760, 28280432, 31929520, 35350540, 43035440, 49490756, 61863445, 70701080, 98981512, 123726890, 141402160, 197963024, 247453780, 494907560, 989815120]

約数ペア:

[(1, 989815120), (2, 494907560), (4, 247453780), (5, 197963024), (7, 141402160), (8, 123726890), (10, 98981512), (14, 70701080), (16, 61863445), (20, 49490756), (23, 43035440), (28, 35350540), (31, 31929520), (35, 28280432), (37, 26751760), (40, 24745378), (46, 21517720), (56, 17675270), (62, 15964760), (67, 14773360), (70, 14140216), (74, 13375880), (80, 12372689), (92, 10758860), (112, 8837635), (115, 8607088), (124, 7982380), (134, 7386680), (140, 7070108), (148, 6687940), (155, 6385904), (161, 6147920), (184, 5379430), (185, 5350352), (217, 4561360), (230, 4303544), (248, 3991190), (259, 3821680), (268, 3693340), (280, 3535054), (296, 3343970), (310, 3192952), (322, 3073960), (335, 2954672), (368, 2689715), (370, 2675176), (434, 2280680), (460, 2151772), (469, 2110480), (496, 1995595), (518, 1910840), (536, 1846670), (560, 1767527), (592, 1671985), (620, 1596476), (644, 1536980), (670, 1477336), (713, 1388240), (740, 1337588), (805, 1229584), (851, 1163120), (868, 1140340), (920, 1075886), (938, 1055240), (1036, 955420), (1072, 923335), (1085, 912272), (1147, 862960), (1240, 798238), (1288, 768490), (1295, 764336), (1340, 738668), (1426, 694120), (1480, 668794), (1541, 642320), (1610, 614792), (1702, 581560), (1736, 570170), (1840, 537943), (1876, 527620), (2072, 477710), (2077, 476560), (2170, 456136), (2294, 431480), (2345, 422096), (2479, 399280), (2480, 399119), (2576, 384245), (2590, 382168), (2680, 369334), (2852, 347060), (2960, 334397), (3082, 321160), (3220, 307396), (3404, 290780), (3472, 285085), (3565, 277648), (3752, 263810), (4144, 238855), (4154, 238280), (4255, 232624), (4340, 228068), (4588, 215740), (4690, 211048), (4958, 199640), (4991, 198320), (5180, 191084), (5360, 184667), (5704, 173530), (5735, 172592), (5957, 166160), (6164, 160580), (6440, 153698), (6808, 145390), (7130, 138824), (7504, 131905), (7705, 128464), (8029, 123280), (8308, 119140), (8510, 116312), (8680, 114034), (9176, 107870), (9380, 105524), (9916, 99820), (9982, 99160), (10360, 95542), (10385, 95312), (10787, 91760), (11408, 86765), (11470, 86296), (11914, 83080), (12328, 80290), (12395, 79856), (12880, 76849), (13616, 72695), (14260, 69412), (14539, 68080), (15410, 64232), (16058, 61640), (16616, 59570), (17020, 58156), (17353, 57040), (17360, 57017), (18352, 53935), (18760, 52762), (19832, 49910), (19964, 49580), (20720, 47771), (20770, 47656), (21574, 45880), (22940, 43148), (23828, 41540), (24656, 40145), (24790, 39928), (24955, 39664), (26381, 37520), (28520, 34706), (29078, 34040), (29785, 33232), (30820, 32116)]