75078280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 175841280

約数和(自身を除く): 100763000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 317, 382, 620, 634, 764, 955, 1240, 1268, 1528, 1585, 1910, 2536, 3170, 3820, 5921, 6340, 7640, 9827, 11842, 12680, 19654, 23684, 29605, 39308, 47368, 49135, 59210, 60547, 78616, 98270, 118420, 121094, 196540, 236840, 242188, 302735, 393080, 484376, 605470, 1210940, 1876957, 2421880, 3753914, 7507828, 9384785, 15015656, 18769570, 37539140, 75078280]

約数ペア:

[(1, 75078280), (2, 37539140), (4, 18769570), (5, 15015656), (8, 9384785), (10, 7507828), (20, 3753914), (31, 2421880), (40, 1876957), (62, 1210940), (124, 605470), (155, 484376), (191, 393080), (248, 302735), (310, 242188), (317, 236840), (382, 196540), (620, 121094), (634, 118420), (764, 98270), (955, 78616), (1240, 60547), (1268, 59210), (1528, 49135), (1585, 47368), (1910, 39308), (2536, 29605), (3170, 23684), (3820, 19654), (5921, 12680), (6340, 11842), (7640, 9827)]