21891436800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:698

約数の個数: 432

約数和(自身を含む): 76371361920

約数和(自身を除く): 54479925120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 89, 92, 96, 100, 115, 120, 128, 138, 150, 160, 178, 184, 192, 200, 230, 240, 256, 267, 276, 300, 320, 345, 356, 368, 384, 400, 445, 460, 480, 534, 552, 557, 575, 600, 640, 690, 712, 736, 768, 800, 890, 920, 960, 1068, 1104, 1114, 1150, 1200, 1280, 1335, 1380, 1424, 1472, 1600, 1671, 1725, 1780, 1840, 1920, 2047, 2136, 2208, 2225, 2228, 2300, 2400, 2670, 2760, 2785, 2848, 2944, 3200, 3342, 3450, 3560, 3680, 3840, 4094, 4272, 4416, 4450, 4456, 4600, 4800, 5340, 5520, 5570, 5696, 5888, 6141, 6400, 6675, 6684, 6900, 7120, 7360, 8188, 8355, 8544, 8832, 8900, 8912, 9200, 9600, 10235, 10680, 11040, 11140, 11392, 12282, 12811, 13350, 13368, 13800, 13925, 14240, 14720, 16376, 16710, 17088, 17664, 17800, 17824, 18400, 19200, 20470, 21360, 22080, 22280, 22784, 24564, 25622, 26700, 26736, 27600, 27850, 28480, 29440, 30705, 32752, 33420, 34176, 35600, 35648, 36800, 38433, 40940, 41775, 42720, 44160, 44560, 49128, 49573, 51175, 51244, 53400, 53472, 55200, 55700, 56960, 61410, 64055, 65504, 66840, 68352, 71200, 71296, 73600, 76866, 81880, 83550, 85440, 88320, 89120, 98256, 99146, 102350, 102488, 106800, 106944, 110400, 111400, 113920, 122820, 128110, 131008, 133680, 142400, 142592, 147200, 148719, 153525, 153732, 163760, 167100, 170880, 178240, 192165, 196512, 198292, 204700, 204976, 213600, 213888, 220800, 222800, 245640, 247865, 256220, 262016, 267360, 284800, 297438, 307050, 307464, 320275, 327520, 334200, 341760, 356480, 384330, 393024, 396584, 409400, 409952, 427200, 427776, 441600, 445600, 491280, 495730, 512440, 524032, 534720, 569600, 594876, 614100, 614928, 640550, 655040, 668400, 712960, 743595, 768660, 786048, 793168, 818800, 819904, 854400, 891200, 960825, 982560, 991460, 1024880, 1069440, 1140179, 1189752, 1228200, 1229856, 1239325, 1281100, 1310080, 1336800, 1487190, 1537320, 1572096, 1586336, 1637600, 1639808, 1708800, 1782400, 1921650, 1965120, 1982920, 2049760, 2138880, 2280358, 2379504, 2456400, 2459712, 2478650, 2562200, 2620160, 2673600, 2974380, 3074640, 3172672, 3275200, 3279616, 3420537, 3564800, 3717975, 3843300, 3930240, 3965840, 4099520, 4560716, 4759008, 4912800, 4919424, 4957300, 5124400, 5347200, 5700895, 5948760, 6149280, 6345344, 6550400, 6841074, 7435950, 7686600, 7860480, 7931680, 8199040, 9121432, 9518016, 9825600, 9838848, 9914600, 10248800, 10694400, 11401790, 11897520, 12298560, 12690688, 13100800, 13682148, 14871900, 15373200, 15863360, 16398080, 17102685, 18242864, 19036032, 19651200, 19829200, 20497600, 22803580, 23795040, 24597120, 27364296, 28504475, 29743800, 30746400, 31726720, 34205370, 36485728, 38072064, 39302400, 39658400, 40995200, 45607160, 47590080, 49194240, 54728592, 57008950, 59487600, 61492800, 63453440, 68410740, 72971456, 79316800, 81990400, 85513425, 91214320, 95180160, 109457184, 114017900, 118975200, 122985600, 136821480, 145942912, 158633600, 171026850, 182428640, 190360320, 218914368, 228035800, 237950400, 245971200, 273642960, 291885824, 317267200, 342053700, 364857280, 437828736, 456071600, 475900800, 547285920, 684107400, 729714560, 875657472, 912143200, 951801600, 1094571840, 1368214800, 1459429120, 1824286400, 2189143680, 2736429600, 3648572800, 4378287360, 5472859200, 7297145600, 10945718400, 21891436800]

約数ペア:

[(1, 21891436800), (2, 10945718400), (3, 7297145600), (4, 5472859200), (5, 4378287360), (6, 3648572800), (8, 2736429600), (10, 2189143680), (12, 1824286400), (15, 1459429120), (16, 1368214800), (20, 1094571840), (23, 951801600), (24, 912143200), (25, 875657472), (30, 729714560), (32, 684107400), (40, 547285920), (46, 475900800), (48, 456071600), (50, 437828736), (60, 364857280), (64, 342053700), (69, 317267200), (75, 291885824), (80, 273642960), (89, 245971200), (92, 237950400), (96, 228035800), (100, 218914368), (115, 190360320), (120, 182428640), (128, 171026850), (138, 158633600), (150, 145942912), (160, 136821480), (178, 122985600), (184, 118975200), (192, 114017900), (200, 109457184), (230, 95180160), (240, 91214320), (256, 85513425), (267, 81990400), (276, 79316800), (300, 72971456), (320, 68410740), (345, 63453440), (356, 61492800), (368, 59487600), (384, 57008950), (400, 54728592), (445, 49194240), (460, 47590080), (480, 45607160), (534, 40995200), (552, 39658400), (557, 39302400), (575, 38072064), (600, 36485728), (640, 34205370), (690, 31726720), (712, 30746400), (736, 29743800), (768, 28504475), (800, 27364296), (890, 24597120), (920, 23795040), (960, 22803580), (1068, 20497600), (1104, 19829200), (1114, 19651200), (1150, 19036032), (1200, 18242864), (1280, 17102685), (1335, 16398080), (1380, 15863360), (1424, 15373200), (1472, 14871900), (1600, 13682148), (1671, 13100800), (1725, 12690688), (1780, 12298560), (1840, 11897520), (1920, 11401790), (2047, 10694400), (2136, 10248800), (2208, 9914600), (2225, 9838848), (2228, 9825600), (2300, 9518016), (2400, 9121432), (2670, 8199040), (2760, 7931680), (2785, 7860480), (2848, 7686600), (2944, 7435950), (3200, 6841074), (3342, 6550400), (3450, 6345344), (3560, 6149280), (3680, 5948760), (3840, 5700895), (4094, 5347200), (4272, 5124400), (4416, 4957300), (4450, 4919424), (4456, 4912800), (4600, 4759008), (4800, 4560716), (5340, 4099520), (5520, 3965840), (5570, 3930240), (5696, 3843300), (5888, 3717975), (6141, 3564800), (6400, 3420537), (6675, 3279616), (6684, 3275200), (6900, 3172672), (7120, 3074640), (7360, 2974380), (8188, 2673600), (8355, 2620160), (8544, 2562200), (8832, 2478650), (8900, 2459712), (8912, 2456400), (9200, 2379504), (9600, 2280358), (10235, 2138880), (10680, 2049760), (11040, 1982920), (11140, 1965120), (11392, 1921650), (12282, 1782400), (12811, 1708800), (13350, 1639808), (13368, 1637600), (13800, 1586336), (13925, 1572096), (14240, 1537320), (14720, 1487190), (16376, 1336800), (16710, 1310080), (17088, 1281100), (17664, 1239325), (17800, 1229856), (17824, 1228200), (18400, 1189752), (19200, 1140179), (20470, 1069440), (21360, 1024880), (22080, 991460), (22280, 982560), (22784, 960825), (24564, 891200), (25622, 854400), (26700, 819904), (26736, 818800), (27600, 793168), (27850, 786048), (28480, 768660), (29440, 743595), (30705, 712960), (32752, 668400), (33420, 655040), (34176, 640550), (35600, 614928), (35648, 614100), (36800, 594876), (38433, 569600), (40940, 534720), (41775, 524032), (42720, 512440), (44160, 495730), (44560, 491280), (49128, 445600), (49573, 441600), (51175, 427776), (51244, 427200), (53400, 409952), (53472, 409400), (55200, 396584), (55700, 393024), (56960, 384330), (61410, 356480), (64055, 341760), (65504, 334200), (66840, 327520), (68352, 320275), (71200, 307464), (71296, 307050), (73600, 297438), (76866, 284800), (81880, 267360), (83550, 262016), (85440, 256220), (88320, 247865), (89120, 245640), (98256, 222800), (99146, 220800), (102350, 213888), (102488, 213600), (106800, 204976), (106944, 204700), (110400, 198292), (111400, 196512), (113920, 192165), (122820, 178240), (128110, 170880), (131008, 167100), (133680, 163760), (142400, 153732), (142592, 153525), (147200, 148719)]