15202520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 35691840

約数和(自身を除く): 20489320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 101, 106, 142, 202, 212, 265, 284, 355, 404, 424, 505, 530, 568, 710, 808, 1010, 1060, 1420, 2020, 2120, 2840, 3763, 4040, 5353, 7171, 7526, 10706, 14342, 15052, 18815, 21412, 26765, 28684, 30104, 35855, 37630, 42824, 53530, 57368, 71710, 75260, 107060, 143420, 150520, 214120, 286840, 380063, 760126, 1520252, 1900315, 3040504, 3800630, 7601260, 15202520]

約数ペア:

[(1, 15202520), (2, 7601260), (4, 3800630), (5, 3040504), (8, 1900315), (10, 1520252), (20, 760126), (40, 380063), (53, 286840), (71, 214120), (101, 150520), (106, 143420), (142, 107060), (202, 75260), (212, 71710), (265, 57368), (284, 53530), (355, 42824), (404, 37630), (424, 35855), (505, 30104), (530, 28684), (568, 26765), (710, 21412), (808, 18815), (1010, 15052), (1060, 14342), (1420, 10706), (2020, 7526), (2120, 7171), (2840, 5353), (3763, 4040)]