137998640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 355356720

約数和(自身を除く): 217358080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 169, 173, 208, 236, 260, 295, 338, 346, 472, 520, 590, 676, 692, 767, 845, 865, 944, 1040, 1180, 1352, 1384, 1534, 1690, 1730, 2249, 2360, 2704, 2768, 3068, 3380, 3460, 3835, 4498, 4720, 6136, 6760, 6920, 7670, 8996, 9971, 10207, 11245, 12272, 13520, 13840, 15340, 17992, 19942, 20414, 22490, 29237, 30680, 35984, 39884, 40828, 44980, 49855, 51035, 58474, 61360, 79768, 81656, 89960, 99710, 102070, 116948, 132691, 146185, 159536, 163312, 179920, 199420, 204140, 233896, 265382, 292370, 398840, 408280, 467792, 530764, 584740, 663455, 797680, 816560, 1061528, 1169480, 1326910, 1724983, 2123056, 2338960, 2653820, 3449966, 5307640, 6899932, 8624915, 10615280, 13799864, 17249830, 27599728, 34499660, 68999320, 137998640]

約数ペア:

[(1, 137998640), (2, 68999320), (4, 34499660), (5, 27599728), (8, 17249830), (10, 13799864), (13, 10615280), (16, 8624915), (20, 6899932), (26, 5307640), (40, 3449966), (52, 2653820), (59, 2338960), (65, 2123056), (80, 1724983), (104, 1326910), (118, 1169480), (130, 1061528), (169, 816560), (173, 797680), (208, 663455), (236, 584740), (260, 530764), (295, 467792), (338, 408280), (346, 398840), (472, 292370), (520, 265382), (590, 233896), (676, 204140), (692, 199420), (767, 179920), (845, 163312), (865, 159536), (944, 146185), (1040, 132691), (1180, 116948), (1352, 102070), (1384, 99710), (1534, 89960), (1690, 81656), (1730, 79768), (2249, 61360), (2360, 58474), (2704, 51035), (2768, 49855), (3068, 44980), (3380, 40828), (3460, 39884), (3835, 35984), (4498, 30680), (4720, 29237), (6136, 22490), (6760, 20414), (6920, 19942), (7670, 17992), (8996, 15340), (9971, 13840), (10207, 13520), (11245, 12272)]