1657221120

素因数分解:

$2^{12}\times 3^7\times 5^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 416

約数和(自身を含む): 6125557440

約数和(自身を除く): 4468336320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 81, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 162, 180, 185, 192, 216, 222, 240, 243, 256, 270, 288, 296, 320, 324, 333, 360, 370, 384, 405, 432, 444, 480, 486, 512, 540, 555, 576, 592, 640, 648, 666, 720, 729, 740, 768, 810, 864, 888, 960, 972, 999, 1024, 1080, 1110, 1152, 1184, 1215, 1280, 1296, 1332, 1440, 1458, 1480, 1536, 1620, 1665, 1728, 1776, 1920, 1944, 1998, 2048, 2160, 2187, 2220, 2304, 2368, 2430, 2560, 2592, 2664, 2880, 2916, 2960, 2997, 3072, 3240, 3330, 3456, 3552, 3645, 3840, 3888, 3996, 4096, 4320, 4374, 4440, 4608, 4736, 4860, 4995, 5120, 5184, 5328, 5760, 5832, 5920, 5994, 6144, 6480, 6660, 6912, 7104, 7290, 7680, 7776, 7992, 8640, 8748, 8880, 8991, 9216, 9472, 9720, 9990, 10240, 10368, 10656, 10935, 11520, 11664, 11840, 11988, 12288, 12960, 13320, 13824, 14208, 14580, 14985, 15360, 15552, 15984, 17280, 17496, 17760, 17982, 18432, 18944, 19440, 19980, 20480, 20736, 21312, 21870, 23040, 23328, 23680, 23976, 25920, 26640, 26973, 27648, 28416, 29160, 29970, 30720, 31104, 31968, 34560, 34992, 35520, 35964, 36864, 37888, 38880, 39960, 41472, 42624, 43740, 44955, 46080, 46656, 47360, 47952, 51840, 53280, 53946, 55296, 56832, 58320, 59940, 61440, 62208, 63936, 69120, 69984, 71040, 71928, 75776, 77760, 79920, 80919, 82944, 85248, 87480, 89910, 92160, 93312, 94720, 95904, 103680, 106560, 107892, 110592, 113664, 116640, 119880, 124416, 127872, 134865, 138240, 139968, 142080, 143856, 151552, 155520, 159840, 161838, 165888, 170496, 174960, 179820, 184320, 186624, 189440, 191808, 207360, 213120, 215784, 227328, 233280, 239760, 248832, 255744, 269730, 276480, 279936, 284160, 287712, 311040, 319680, 323676, 331776, 340992, 349920, 359640, 373248, 378880, 383616, 404595, 414720, 426240, 431568, 454656, 466560, 479520, 497664, 511488, 539460, 552960, 559872, 568320, 575424, 622080, 639360, 647352, 681984, 699840, 719280, 746496, 757760, 767232, 809190, 829440, 852480, 863136, 933120, 959040, 995328, 1022976, 1078920, 1119744, 1136640, 1150848, 1244160, 1278720, 1294704, 1363968, 1399680, 1438560, 1492992, 1534464, 1618380, 1658880, 1704960, 1726272, 1866240, 1918080, 2045952, 2157840, 2239488, 2273280, 2301696, 2488320, 2557440, 2589408, 2799360, 2877120, 2985984, 3068928, 3236760, 3409920, 3452544, 3732480, 3836160, 4091904, 4315680, 4478976, 4603392, 4976640, 5114880, 5178816, 5598720, 5754240, 6137856, 6473520, 6819840, 6905088, 7464960, 7672320, 8631360, 8957952, 9206784, 10229760, 10357632, 11197440, 11508480, 12275712, 12947040, 13810176, 14929920, 15344640, 17262720, 18413568, 20459520, 20715264, 22394880, 23016960, 25894080, 27620352, 30689280, 34525440, 36827136, 41430528, 44789760, 46033920, 51788160, 55240704, 61378560, 69050880, 82861056, 92067840, 103576320, 110481408, 138101760, 165722112, 184135680, 207152640, 276203520, 331444224, 414305280, 552407040, 828610560, 1657221120]

約数ペア:

[(1, 1657221120), (2, 828610560), (3, 552407040), (4, 414305280), (5, 331444224), (6, 276203520), (8, 207152640), (9, 184135680), (10, 165722112), (12, 138101760), (15, 110481408), (16, 103576320), (18, 92067840), (20, 82861056), (24, 69050880), (27, 61378560), (30, 55240704), (32, 51788160), (36, 46033920), (37, 44789760), (40, 41430528), (45, 36827136), (48, 34525440), (54, 30689280), (60, 27620352), (64, 25894080), (72, 23016960), (74, 22394880), (80, 20715264), (81, 20459520), (90, 18413568), (96, 17262720), (108, 15344640), (111, 14929920), (120, 13810176), (128, 12947040), (135, 12275712), (144, 11508480), (148, 11197440), (160, 10357632), (162, 10229760), (180, 9206784), (185, 8957952), (192, 8631360), (216, 7672320), (222, 7464960), (240, 6905088), (243, 6819840), (256, 6473520), (270, 6137856), (288, 5754240), (296, 5598720), (320, 5178816), (324, 5114880), (333, 4976640), (360, 4603392), (370, 4478976), (384, 4315680), (405, 4091904), (432, 3836160), (444, 3732480), (480, 3452544), (486, 3409920), (512, 3236760), (540, 3068928), (555, 2985984), (576, 2877120), (592, 2799360), (640, 2589408), (648, 2557440), (666, 2488320), (720, 2301696), (729, 2273280), (740, 2239488), (768, 2157840), (810, 2045952), (864, 1918080), (888, 1866240), (960, 1726272), (972, 1704960), (999, 1658880), (1024, 1618380), (1080, 1534464), (1110, 1492992), (1152, 1438560), (1184, 1399680), (1215, 1363968), (1280, 1294704), (1296, 1278720), (1332, 1244160), (1440, 1150848), (1458, 1136640), (1480, 1119744), (1536, 1078920), (1620, 1022976), (1665, 995328), (1728, 959040), (1776, 933120), (1920, 863136), (1944, 852480), (1998, 829440), (2048, 809190), (2160, 767232), (2187, 757760), (2220, 746496), (2304, 719280), (2368, 699840), (2430, 681984), (2560, 647352), (2592, 639360), (2664, 622080), (2880, 575424), (2916, 568320), (2960, 559872), (2997, 552960), (3072, 539460), (3240, 511488), (3330, 497664), (3456, 479520), (3552, 466560), (3645, 454656), (3840, 431568), (3888, 426240), (3996, 414720), (4096, 404595), (4320, 383616), (4374, 378880), (4440, 373248), (4608, 359640), (4736, 349920), (4860, 340992), (4995, 331776), (5120, 323676), (5184, 319680), (5328, 311040), (5760, 287712), (5832, 284160), (5920, 279936), (5994, 276480), (6144, 269730), (6480, 255744), (6660, 248832), (6912, 239760), (7104, 233280), (7290, 227328), (7680, 215784), (7776, 213120), (7992, 207360), (8640, 191808), (8748, 189440), (8880, 186624), (8991, 184320), (9216, 179820), (9472, 174960), (9720, 170496), (9990, 165888), (10240, 161838), (10368, 159840), (10656, 155520), (10935, 151552), (11520, 143856), (11664, 142080), (11840, 139968), (11988, 138240), (12288, 134865), (12960, 127872), (13320, 124416), (13824, 119880), (14208, 116640), (14580, 113664), (14985, 110592), (15360, 107892), (15552, 106560), (15984, 103680), (17280, 95904), (17496, 94720), (17760, 93312), (17982, 92160), (18432, 89910), (18944, 87480), (19440, 85248), (19980, 82944), (20480, 80919), (20736, 79920), (21312, 77760), (21870, 75776), (23040, 71928), (23328, 71040), (23680, 69984), (23976, 69120), (25920, 63936), (26640, 62208), (26973, 61440), (27648, 59940), (28416, 58320), (29160, 56832), (29970, 55296), (30720, 53946), (31104, 53280), (31968, 51840), (34560, 47952), (34992, 47360), (35520, 46656), (35964, 46080), (36864, 44955), (37888, 43740), (38880, 42624), (39960, 41472)]