1788990160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{2549}}^1$

素因数の和:2876

約数の個数: 80

約数和(自身を含む): 4310438400

約数和(自身を除く): 2521448240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 283, 310, 496, 566, 620, 1132, 1240, 1415, 2264, 2480, 2549, 2830, 4528, 5098, 5660, 8773, 10196, 11320, 12745, 17546, 20392, 22640, 25490, 35092, 40784, 43865, 50980, 70184, 79019, 87730, 101960, 140368, 158038, 175460, 203920, 316076, 350920, 395095, 632152, 701840, 721367, 790190, 1264304, 1442734, 1580380, 2885468, 3160760, 3606835, 5770936, 6321520, 7213670, 11541872, 14427340, 22362377, 28854680, 44724754, 57709360, 89449508, 111811885, 178899016, 223623770, 357798032, 447247540, 894495080, 1788990160]

約数ペア:

[(1, 1788990160), (2, 894495080), (4, 447247540), (5, 357798032), (8, 223623770), (10, 178899016), (16, 111811885), (20, 89449508), (31, 57709360), (40, 44724754), (62, 28854680), (80, 22362377), (124, 14427340), (155, 11541872), (248, 7213670), (283, 6321520), (310, 5770936), (496, 3606835), (566, 3160760), (620, 2885468), (1132, 1580380), (1240, 1442734), (1415, 1264304), (2264, 790190), (2480, 721367), (2549, 701840), (2830, 632152), (4528, 395095), (5098, 350920), (5660, 316076), (8773, 203920), (10196, 175460), (11320, 158038), (12745, 140368), (17546, 101960), (20392, 87730), (22640, 79019), (25490, 70184), (35092, 50980), (40784, 43865)]