10639720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 30643200

約数和(自身を除く): 20003480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 79, 91, 104, 130, 140, 148, 158, 182, 185, 259, 260, 280, 296, 316, 364, 370, 395, 455, 481, 518, 520, 553, 632, 728, 740, 790, 910, 962, 1027, 1036, 1106, 1295, 1480, 1580, 1820, 1924, 2054, 2072, 2212, 2405, 2590, 2765, 2923, 3160, 3367, 3640, 3848, 4108, 4424, 4810, 5135, 5180, 5530, 5846, 6734, 7189, 8216, 9620, 10270, 10360, 11060, 11692, 13468, 14378, 14615, 16835, 19240, 20461, 20540, 22120, 23384, 26936, 28756, 29230, 33670, 35945, 37999, 40922, 41080, 57512, 58460, 67340, 71890, 75998, 81844, 102305, 116920, 134680, 143780, 151996, 163688, 189995, 204610, 265993, 287560, 303992, 379990, 409220, 531986, 759980, 818440, 1063972, 1329965, 1519960, 2127944, 2659930, 5319860, 10639720]

約数ペア:

[(1, 10639720), (2, 5319860), (4, 2659930), (5, 2127944), (7, 1519960), (8, 1329965), (10, 1063972), (13, 818440), (14, 759980), (20, 531986), (26, 409220), (28, 379990), (35, 303992), (37, 287560), (40, 265993), (52, 204610), (56, 189995), (65, 163688), (70, 151996), (74, 143780), (79, 134680), (91, 116920), (104, 102305), (130, 81844), (140, 75998), (148, 71890), (158, 67340), (182, 58460), (185, 57512), (259, 41080), (260, 40922), (280, 37999), (296, 35945), (316, 33670), (364, 29230), (370, 28756), (395, 26936), (455, 23384), (481, 22120), (518, 20540), (520, 20461), (553, 19240), (632, 16835), (728, 14615), (740, 14378), (790, 13468), (910, 11692), (962, 11060), (1027, 10360), (1036, 10270), (1106, 9620), (1295, 8216), (1480, 7189), (1580, 6734), (1820, 5846), (1924, 5530), (2054, 5180), (2072, 5135), (2212, 4810), (2405, 4424), (2590, 4108), (2765, 3848), (2923, 3640), (3160, 3367)]