72753520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129917}}^1$

素因数の和:129937

約数の個数: 40

約数和(自身を含む): 193317984

約数和(自身を除く): 120564464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129917, 259834, 519668, 649585, 909419, 1039336, 1299170, 1818838, 2078672, 2598340, 3637676, 4547095, 5196680, 7275352, 9094190, 10393360, 14550704, 18188380, 36376760, 72753520]

約数ペア:

[(1, 72753520), (2, 36376760), (4, 18188380), (5, 14550704), (7, 10393360), (8, 9094190), (10, 7275352), (14, 5196680), (16, 4547095), (20, 3637676), (28, 2598340), (35, 2078672), (40, 1818838), (56, 1299170), (70, 1039336), (80, 909419), (112, 649585), (140, 519668), (280, 259834), (560, 129917)]