15678911380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{457}}^1\times {\mathrm{14177}}^1$

素因数の和:14665

約数の個数: 72

約数和(自身を含む): 36272825064

約数和(自身を除く): 20593913684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 457, 484, 605, 914, 1210, 1828, 2285, 2420, 4570, 5027, 9140, 10054, 14177, 20108, 25135, 28354, 50270, 55297, 56708, 70885, 100540, 110594, 141770, 155947, 221188, 276485, 283540, 311894, 552970, 623788, 779735, 1105940, 1559470, 1715417, 3118940, 3430834, 6478889, 6861668, 8577085, 12957778, 17154170, 25915556, 32394445, 34308340, 64788890, 71267779, 129577780, 142535558, 285071116, 356338895, 712677790, 783945569, 1425355580, 1567891138, 3135782276, 3919727845, 7839455690, 15678911380]

約数ペア:

[(1, 15678911380), (2, 7839455690), (4, 3919727845), (5, 3135782276), (10, 1567891138), (11, 1425355580), (20, 783945569), (22, 712677790), (44, 356338895), (55, 285071116), (110, 142535558), (121, 129577780), (220, 71267779), (242, 64788890), (457, 34308340), (484, 32394445), (605, 25915556), (914, 17154170), (1210, 12957778), (1828, 8577085), (2285, 6861668), (2420, 6478889), (4570, 3430834), (5027, 3118940), (9140, 1715417), (10054, 1559470), (14177, 1105940), (20108, 779735), (25135, 623788), (28354, 552970), (50270, 311894), (55297, 283540), (56708, 276485), (70885, 221188), (100540, 155947), (110594, 141770)]