25495380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 77968800

約数和(自身を除く): 52473420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1019, 1251, 1390, 1668, 2038, 2085, 2502, 2780, 3057, 4076, 4170, 5004, 5095, 6114, 6255, 8340, 9171, 10190, 12228, 12510, 15285, 18342, 20380, 25020, 30570, 36684, 45855, 61140, 91710, 141641, 183420, 283282, 424923, 566564, 708205, 849846, 1274769, 1416410, 1699692, 2124615, 2549538, 2832820, 4249230, 5099076, 6373845, 8498460, 12747690, 25495380]

約数ペア:

[(1, 25495380), (2, 12747690), (3, 8498460), (4, 6373845), (5, 5099076), (6, 4249230), (9, 2832820), (10, 2549538), (12, 2124615), (15, 1699692), (18, 1416410), (20, 1274769), (30, 849846), (36, 708205), (45, 566564), (60, 424923), (90, 283282), (139, 183420), (180, 141641), (278, 91710), (417, 61140), (556, 45855), (695, 36684), (834, 30570), (1019, 25020), (1251, 20380), (1390, 18342), (1668, 15285), (2038, 12510), (2085, 12228), (2502, 10190), (2780, 9171), (3057, 8340), (4076, 6255), (4170, 6114), (5004, 5095)]