1639556880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{40423}}^1$

素因数の和:40465

約数の個数: 120

約数和(自身を含む): 5503808448

約数和(自身を除く): 3864251568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 20280, 40423, 40560, 80846, 121269, 161692, 202115, 242538, 323384, 404230, 485076, 525499, 606345, 646768, 808460, 970152, 1050998, 1212690, 1576497, 1616920, 1940304, 2101996, 2425380, 2627495, 3152994, 3233840, 4203992, 4850760, 5254990, 6305988, 6831487, 7882485, 8407984, 9701520, 10509980, 12611976, 13662974, 15764970, 20494461, 21019960, 25223952, 27325948, 31529940, 34157435, 40988922, 42039920, 54651896, 63059880, 68314870, 81977844, 102472305, 109303792, 126119760, 136629740, 163955688, 204944610, 273259480, 327911376, 409889220, 546518960, 819778440, 1639556880]

約数ペア:

[(1, 1639556880), (2, 819778440), (3, 546518960), (4, 409889220), (5, 327911376), (6, 273259480), (8, 204944610), (10, 163955688), (12, 136629740), (13, 126119760), (15, 109303792), (16, 102472305), (20, 81977844), (24, 68314870), (26, 63059880), (30, 54651896), (39, 42039920), (40, 40988922), (48, 34157435), (52, 31529940), (60, 27325948), (65, 25223952), (78, 21019960), (80, 20494461), (104, 15764970), (120, 13662974), (130, 12611976), (156, 10509980), (169, 9701520), (195, 8407984), (208, 7882485), (240, 6831487), (260, 6305988), (312, 5254990), (338, 4850760), (390, 4203992), (507, 3233840), (520, 3152994), (624, 2627495), (676, 2425380), (780, 2101996), (845, 1940304), (1014, 1616920), (1040, 1576497), (1352, 1212690), (1560, 1050998), (1690, 970152), (2028, 808460), (2535, 646768), (2704, 606345), (3120, 525499), (3380, 485076), (4056, 404230), (5070, 323384), (6760, 242538), (8112, 202115), (10140, 161692), (13520, 121269), (20280, 80846), (40423, 40560)]