1988689904640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{8731}}^1\times {\mathrm{4943}}^1$

素因数の和:13705

約数の個数: 264

約数和(自身を含む): 6892942163328

約数和(自身を除く): 4904252258688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 4943, 5120, 5760, 7680, 8731, 9216, 9886, 11520, 14829, 15360, 17462, 19772, 23040, 24715, 26193, 29658, 34924, 39544, 43655, 44487, 46080, 49430, 52386, 59316, 69848, 74145, 78579, 79088, 87310, 88974, 98860, 104772, 118632, 130965, 139696, 148290, 157158, 158176, 174620, 177948, 197720, 209544, 222435, 237264, 261930, 279392, 296580, 314316, 316352, 349240, 355896, 392895, 395440, 419088, 444870, 474528, 523860, 558784, 593160, 628632, 632704, 698480, 711792, 785790, 790880, 838176, 889740, 949056, 1047720, 1117568, 1186320, 1257264, 1265408, 1396960, 1423584, 1571580, 1581760, 1676352, 1779480, 1898112, 2095440, 2235136, 2372640, 2514528, 2530816, 2793920, 2847168, 3143160, 3163520, 3352704, 3558960, 3796224, 4190880, 4470272, 4745280, 5029056, 5061632, 5587840, 5694336, 6286320, 6327040, 6705408, 7117920, 7592448, 8381760, 8940544, 9490560, 10058112, 11175680, 11388672, 12572640, 12654080, 13410816, 14235840, 15184896, 16763520, 18981120, 20116224, 22351360, 22777344, 25145280, 25308160, 26821632, 28471680, 33527040, 37962240, 40232448, 43157333, 44702720, 45554688, 50290560, 56943360, 67054080, 75924480, 80464896, 86314666, 100581120, 113886720, 129471999, 134108160, 172629332, 201162240, 215786665, 227773440, 258943998, 345258664, 388415997, 402324480, 431573330, 517887996, 647359995, 690517328, 776831994, 863146660, 1035775992, 1294719990, 1381034656, 1553663988, 1726293320, 1942079985, 2071551984, 2589439980, 2762069312, 3107327976, 3452586640, 3884159970, 4143103968, 5178879960, 5524138624, 6214655952, 6905173280, 7768319940, 8286207936, 10357759920, 11048277248, 12429311904, 13810346560, 15536639880, 16572415872, 20715519840, 22096554496, 24858623808, 27620693120, 31073279760, 33144831744, 41431039680, 44193108992, 49717247616, 55241386240, 62146559520, 66289663488, 82862079360, 99434495232, 110482772480, 124293119040, 132579326976, 165724158720, 198868990464, 220965544960, 248586238080, 331448317440, 397737980928, 497172476160, 662896634880, 994344952320, 1988689904640]

約数ペア:

[(1, 1988689904640), (2, 994344952320), (3, 662896634880), (4, 497172476160), (5, 397737980928), (6, 331448317440), (8, 248586238080), (9, 220965544960), (10, 198868990464), (12, 165724158720), (15, 132579326976), (16, 124293119040), (18, 110482772480), (20, 99434495232), (24, 82862079360), (30, 66289663488), (32, 62146559520), (36, 55241386240), (40, 49717247616), (45, 44193108992), (48, 41431039680), (60, 33144831744), (64, 31073279760), (72, 27620693120), (80, 24858623808), (90, 22096554496), (96, 20715519840), (120, 16572415872), (128, 15536639880), (144, 13810346560), (160, 12429311904), (180, 11048277248), (192, 10357759920), (240, 8286207936), (256, 7768319940), (288, 6905173280), (320, 6214655952), (360, 5524138624), (384, 5178879960), (480, 4143103968), (512, 3884159970), (576, 3452586640), (640, 3107327976), (720, 2762069312), (768, 2589439980), (960, 2071551984), (1024, 1942079985), (1152, 1726293320), (1280, 1553663988), (1440, 1381034656), (1536, 1294719990), (1920, 1035775992), (2304, 863146660), (2560, 776831994), (2880, 690517328), (3072, 647359995), (3840, 517887996), (4608, 431573330), (4943, 402324480), (5120, 388415997), (5760, 345258664), (7680, 258943998), (8731, 227773440), (9216, 215786665), (9886, 201162240), (11520, 172629332), (14829, 134108160), (15360, 129471999), (17462, 113886720), (19772, 100581120), (23040, 86314666), (24715, 80464896), (26193, 75924480), (29658, 67054080), (34924, 56943360), (39544, 50290560), (43655, 45554688), (44487, 44702720), (46080, 43157333), (49430, 40232448), (52386, 37962240), (59316, 33527040), (69848, 28471680), (74145, 26821632), (78579, 25308160), (79088, 25145280), (87310, 22777344), (88974, 22351360), (98860, 20116224), (104772, 18981120), (118632, 16763520), (130965, 15184896), (139696, 14235840), (148290, 13410816), (157158, 12654080), (158176, 12572640), (174620, 11388672), (177948, 11175680), (197720, 10058112), (209544, 9490560), (222435, 8940544), (237264, 8381760), (261930, 7592448), (279392, 7117920), (296580, 6705408), (314316, 6327040), (316352, 6286320), (349240, 5694336), (355896, 5587840), (392895, 5061632), (395440, 5029056), (419088, 4745280), (444870, 4470272), (474528, 4190880), (523860, 3796224), (558784, 3558960), (593160, 3352704), (628632, 3163520), (632704, 3143160), (698480, 2847168), (711792, 2793920), (785790, 2530816), (790880, 2514528), (838176, 2372640), (889740, 2235136), (949056, 2095440), (1047720, 1898112), (1117568, 1779480), (1186320, 1676352), (1257264, 1581760), (1265408, 1571580), (1396960, 1423584)]