91908320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:665

約数の個数: 144

約数和(自身を含む): 266308560

約数和(自身を除く): 174400240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 617, 665, 760, 784, 931, 980, 1064, 1120, 1234, 1330, 1520, 1568, 1862, 1960, 2128, 2468, 2660, 3040, 3085, 3724, 3920, 4256, 4319, 4655, 4936, 5320, 6170, 7448, 7840, 8638, 9310, 9872, 10640, 11723, 12340, 14896, 17276, 18620, 19744, 21280, 21595, 23446, 24680, 29792, 30233, 34552, 37240, 43190, 46892, 49360, 58615, 60466, 69104, 74480, 82061, 86380, 93784, 98720, 117230, 120932, 138208, 148960, 151165, 164122, 172760, 187568, 234460, 241864, 302330, 328244, 345520, 375136, 410305, 468920, 483728, 574427, 604660, 656488, 691040, 820610, 937840, 967456, 1148854, 1209320, 1312976, 1641220, 1875680, 2297708, 2418640, 2625952, 2872135, 3282440, 4595416, 4837280, 5744270, 6564880, 9190832, 11488540, 13129760, 18381664, 22977080, 45954160, 91908320]

約数ペア:

[(1, 91908320), (2, 45954160), (4, 22977080), (5, 18381664), (7, 13129760), (8, 11488540), (10, 9190832), (14, 6564880), (16, 5744270), (19, 4837280), (20, 4595416), (28, 3282440), (32, 2872135), (35, 2625952), (38, 2418640), (40, 2297708), (49, 1875680), (56, 1641220), (70, 1312976), (76, 1209320), (80, 1148854), (95, 967456), (98, 937840), (112, 820610), (133, 691040), (140, 656488), (152, 604660), (160, 574427), (190, 483728), (196, 468920), (224, 410305), (245, 375136), (266, 345520), (280, 328244), (304, 302330), (380, 241864), (392, 234460), (490, 187568), (532, 172760), (560, 164122), (608, 151165), (617, 148960), (665, 138208), (760, 120932), (784, 117230), (931, 98720), (980, 93784), (1064, 86380), (1120, 82061), (1234, 74480), (1330, 69104), (1520, 60466), (1568, 58615), (1862, 49360), (1960, 46892), (2128, 43190), (2468, 37240), (2660, 34552), (3040, 30233), (3085, 29792), (3724, 24680), (3920, 23446), (4256, 21595), (4319, 21280), (4655, 19744), (4936, 18620), (5320, 17276), (6170, 14896), (7448, 12340), (7840, 11723), (8638, 10640), (9310, 9872)]