640491361920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5852443}}^1$

素因数の和:5852487

約数の個数: 192

約数和(自身を含む): 2328102223200

約数和(自身を除く): 1687610861280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 855, 912, 960, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2432, 2736, 2880, 3040, 3420, 3648, 4560, 5472, 5760, 6080, 6840, 7296, 9120, 10944, 12160, 13680, 18240, 21888, 27360, 36480, 54720, 109440, 5852443, 11704886, 17557329, 23409772, 29262215, 35114658, 46819544, 52671987, 58524430, 70229316, 87786645, 93639088, 105343974, 111196417, 117048860, 140458632, 175573290, 187278176, 210687948, 222392834, 234097720, 263359935, 280917264, 333589251, 351146580, 374556352, 421375896, 444785668, 468195440, 526719870, 555982085, 561834528, 667178502, 702293160, 749112704, 842751792, 889571336, 936390880, 1000767753, 1053439740, 1111964170, 1123669056, 1334357004, 1404586320, 1667946255, 1685503584, 1779142672, 1872781760, 2001535506, 2106879480, 2223928340, 2247338112, 2668714008, 2809172640, 3335892510, 3371007168, 3558285344, 3745563520, 4003071012, 4213758960, 4447856680, 5003838765, 5337428016, 5618345280, 6671785020, 6742014336, 7116570688, 8006142024, 8427517920, 8895713360, 10007677530, 10674856032, 11236690560, 13343570040, 14233141376, 16012284048, 16855035840, 17791426720, 20015355060, 21349712064, 26687140080, 32024568096, 33710071680, 35582853440, 40030710120, 42699424128, 53374280160, 64049136192, 71165706880, 80061420240, 106748560320, 128098272384, 160122840480, 213497120640, 320245680960, 640491361920]

約数ペア:

[(1, 640491361920), (2, 320245680960), (3, 213497120640), (4, 160122840480), (5, 128098272384), (6, 106748560320), (8, 80061420240), (9, 71165706880), (10, 64049136192), (12, 53374280160), (15, 42699424128), (16, 40030710120), (18, 35582853440), (19, 33710071680), (20, 32024568096), (24, 26687140080), (30, 21349712064), (32, 20015355060), (36, 17791426720), (38, 16855035840), (40, 16012284048), (45, 14233141376), (48, 13343570040), (57, 11236690560), (60, 10674856032), (64, 10007677530), (72, 8895713360), (76, 8427517920), (80, 8006142024), (90, 7116570688), (95, 6742014336), (96, 6671785020), (114, 5618345280), (120, 5337428016), (128, 5003838765), (144, 4447856680), (152, 4213758960), (160, 4003071012), (171, 3745563520), (180, 3558285344), (190, 3371007168), (192, 3335892510), (228, 2809172640), (240, 2668714008), (285, 2247338112), (288, 2223928340), (304, 2106879480), (320, 2001535506), (342, 1872781760), (360, 1779142672), (380, 1685503584), (384, 1667946255), (456, 1404586320), (480, 1334357004), (570, 1123669056), (576, 1111964170), (608, 1053439740), (640, 1000767753), (684, 936390880), (720, 889571336), (760, 842751792), (855, 749112704), (912, 702293160), (960, 667178502), (1140, 561834528), (1152, 555982085), (1216, 526719870), (1368, 468195440), (1440, 444785668), (1520, 421375896), (1710, 374556352), (1824, 351146580), (1920, 333589251), (2280, 280917264), (2432, 263359935), (2736, 234097720), (2880, 222392834), (3040, 210687948), (3420, 187278176), (3648, 175573290), (4560, 140458632), (5472, 117048860), (5760, 111196417), (6080, 105343974), (6840, 93639088), (7296, 87786645), (9120, 70229316), (10944, 58524430), (12160, 52671987), (13680, 46819544), (18240, 35114658), (21888, 29262215), (27360, 23409772), (36480, 17557329), (54720, 11704886), (109440, 5852443)]