15019380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 45909864

約数和(自身を除く): 30890484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 461, 543, 724, 905, 922, 1086, 1383, 1629, 1810, 1844, 2172, 2305, 2715, 2766, 3258, 3620, 4149, 4610, 5430, 5532, 6516, 6915, 8145, 8298, 9220, 10860, 13830, 16290, 16596, 20745, 27660, 32580, 41490, 82980, 83441, 166882, 250323, 333764, 417205, 500646, 750969, 834410, 1001292, 1251615, 1501938, 1668820, 2503230, 3003876, 3754845, 5006460, 7509690, 15019380]

約数ペア:

[(1, 15019380), (2, 7509690), (3, 5006460), (4, 3754845), (5, 3003876), (6, 2503230), (9, 1668820), (10, 1501938), (12, 1251615), (15, 1001292), (18, 834410), (20, 750969), (30, 500646), (36, 417205), (45, 333764), (60, 250323), (90, 166882), (180, 83441), (181, 82980), (362, 41490), (461, 32580), (543, 27660), (724, 20745), (905, 16596), (922, 16290), (1086, 13830), (1383, 10860), (1629, 9220), (1810, 8298), (1844, 8145), (2172, 6915), (2305, 6516), (2715, 5532), (2766, 5430), (3258, 4610), (3620, 4149)]