71525680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 173703168

約数和(自身を除く): 102177488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 191, 248, 302, 310, 382, 496, 604, 620, 755, 764, 955, 1208, 1240, 1510, 1528, 1910, 2416, 2480, 3020, 3056, 3820, 4681, 5921, 6040, 7640, 9362, 11842, 12080, 15280, 18724, 23405, 23684, 28841, 29605, 37448, 46810, 47368, 57682, 59210, 74896, 93620, 94736, 115364, 118420, 144205, 187240, 230728, 236840, 288410, 374480, 461456, 473680, 576820, 894071, 1153640, 1788142, 2307280, 3576284, 4470355, 7152568, 8940710, 14305136, 17881420, 35762840, 71525680]

約数ペア:

[(1, 71525680), (2, 35762840), (4, 17881420), (5, 14305136), (8, 8940710), (10, 7152568), (16, 4470355), (20, 3576284), (31, 2307280), (40, 1788142), (62, 1153640), (80, 894071), (124, 576820), (151, 473680), (155, 461456), (191, 374480), (248, 288410), (302, 236840), (310, 230728), (382, 187240), (496, 144205), (604, 118420), (620, 115364), (755, 94736), (764, 93620), (955, 74896), (1208, 59210), (1240, 57682), (1510, 47368), (1528, 46810), (1910, 37448), (2416, 29605), (2480, 28841), (3020, 23684), (3056, 23405), (3820, 18724), (4681, 15280), (5921, 12080), (6040, 11842), (7640, 9362)]