128703420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715019}}^1$

素因数の和:715034

約数の個数: 36

約数和(自身を含む): 390400920

約数和(自身を除く): 261697500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715019, 1430038, 2145057, 2860076, 3575095, 4290114, 6435171, 7150190, 8580228, 10725285, 12870342, 14300380, 21450570, 25740684, 32175855, 42901140, 64351710, 128703420]

約数ペア:

[(1, 128703420), (2, 64351710), (3, 42901140), (4, 32175855), (5, 25740684), (6, 21450570), (9, 14300380), (10, 12870342), (12, 10725285), (15, 8580228), (18, 7150190), (20, 6435171), (30, 4290114), (36, 3575095), (45, 2860076), (60, 2145057), (90, 1430038), (180, 715019)]