266811440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 741857280

約数和(自身を除く): 475045840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 79, 80, 112, 140, 148, 158, 163, 185, 259, 280, 296, 316, 326, 370, 395, 518, 553, 560, 592, 632, 652, 740, 790, 815, 1036, 1106, 1141, 1264, 1295, 1304, 1480, 1580, 1630, 2072, 2212, 2282, 2590, 2608, 2765, 2923, 2960, 3160, 3260, 4144, 4424, 4564, 5180, 5530, 5705, 5846, 6031, 6320, 6520, 8848, 9128, 10360, 11060, 11410, 11692, 12062, 12877, 13040, 14615, 18256, 20461, 20720, 22120, 22820, 23384, 24124, 25754, 29230, 30155, 40922, 42217, 44240, 45640, 46768, 48248, 51508, 58460, 60310, 64385, 81844, 84434, 90139, 91280, 96496, 102305, 103016, 116920, 120620, 128770, 163688, 168868, 180278, 204610, 206032, 211085, 233840, 241240, 257540, 327376, 337736, 360556, 409220, 422170, 450695, 476449, 482480, 515080, 675472, 721112, 818440, 844340, 901390, 952898, 1030160, 1442224, 1636880, 1688680, 1802780, 1905796, 2382245, 3335143, 3377360, 3605560, 3811592, 4764490, 6670286, 7211120, 7623184, 9528980, 13340572, 16675715, 19057960, 26681144, 33351430, 38115920, 53362288, 66702860, 133405720, 266811440]

約数ペア:

[(1, 266811440), (2, 133405720), (4, 66702860), (5, 53362288), (7, 38115920), (8, 33351430), (10, 26681144), (14, 19057960), (16, 16675715), (20, 13340572), (28, 9528980), (35, 7623184), (37, 7211120), (40, 6670286), (56, 4764490), (70, 3811592), (74, 3605560), (79, 3377360), (80, 3335143), (112, 2382245), (140, 1905796), (148, 1802780), (158, 1688680), (163, 1636880), (185, 1442224), (259, 1030160), (280, 952898), (296, 901390), (316, 844340), (326, 818440), (370, 721112), (395, 675472), (518, 515080), (553, 482480), (560, 476449), (592, 450695), (632, 422170), (652, 409220), (740, 360556), (790, 337736), (815, 327376), (1036, 257540), (1106, 241240), (1141, 233840), (1264, 211085), (1295, 206032), (1304, 204610), (1480, 180278), (1580, 168868), (1630, 163688), (2072, 128770), (2212, 120620), (2282, 116920), (2590, 103016), (2608, 102305), (2765, 96496), (2923, 91280), (2960, 90139), (3160, 84434), (3260, 81844), (4144, 64385), (4424, 60310), (4564, 58460), (5180, 51508), (5530, 48248), (5705, 46768), (5846, 45640), (6031, 44240), (6320, 42217), (6520, 40922), (8848, 30155), (9128, 29230), (10360, 25754), (11060, 24124), (11410, 23384), (11692, 22820), (12062, 22120), (12877, 20720), (13040, 20461), (14615, 18256)]