15578420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 38737440

約数和(自身を除く): 23159020

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 419, 572, 676, 715, 838, 845, 1430, 1676, 1690, 1859, 2095, 2860, 3380, 3718, 4190, 4609, 5447, 7436, 8380, 9218, 9295, 10894, 18436, 18590, 21788, 23045, 27235, 37180, 46090, 54470, 59917, 70811, 92180, 108940, 119834, 141622, 239668, 283244, 299585, 354055, 599170, 708110, 778921, 1198340, 1416220, 1557842, 3115684, 3894605, 7789210, 15578420]

約数ペア:

[(1, 15578420), (2, 7789210), (4, 3894605), (5, 3115684), (10, 1557842), (11, 1416220), (13, 1198340), (20, 778921), (22, 708110), (26, 599170), (44, 354055), (52, 299585), (55, 283244), (65, 239668), (110, 141622), (130, 119834), (143, 108940), (169, 92180), (220, 70811), (260, 59917), (286, 54470), (338, 46090), (419, 37180), (572, 27235), (676, 23045), (715, 21788), (838, 18590), (845, 18436), (1430, 10894), (1676, 9295), (1690, 9218), (1859, 8380), (2095, 7436), (2860, 5447), (3380, 4609), (3718, 4190)]