140768940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{180473}}^1$

素因数の和:180498

約数の個数: 48

約数和(自身を含む): 424474848

約数和(自身を除く): 283705908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 180473, 360946, 541419, 721892, 902365, 1082838, 1804730, 2165676, 2346149, 2707095, 3609460, 4692298, 5414190, 7038447, 9384596, 10828380, 11730745, 14076894, 23461490, 28153788, 35192235, 46922980, 70384470, 140768940]

約数ペア:

[(1, 140768940), (2, 70384470), (3, 46922980), (4, 35192235), (5, 28153788), (6, 23461490), (10, 14076894), (12, 11730745), (13, 10828380), (15, 9384596), (20, 7038447), (26, 5414190), (30, 4692298), (39, 3609460), (52, 2707095), (60, 2346149), (65, 2165676), (78, 1804730), (130, 1082838), (156, 902365), (195, 721892), (260, 541419), (390, 360946), (780, 180473)]