9897420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12689}}^1$

素因数の和:12714

約数の個数: 48

約数和(自身を含む): 29846880

約数和(自身を除く): 19949460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12689, 25378, 38067, 50756, 63445, 76134, 126890, 152268, 164957, 190335, 253780, 329914, 380670, 494871, 659828, 761340, 824785, 989742, 1649570, 1979484, 2474355, 3299140, 4948710, 9897420]

約数ペア:

[(1, 9897420), (2, 4948710), (3, 3299140), (4, 2474355), (5, 1979484), (6, 1649570), (10, 989742), (12, 824785), (13, 761340), (15, 659828), (20, 494871), (26, 380670), (30, 329914), (39, 253780), (52, 190335), (60, 164957), (65, 152268), (78, 126890), (130, 76134), (156, 63445), (195, 50756), (260, 38067), (390, 25378), (780, 12689)]