65283280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 157289040

約数和(自身を除く): 92005760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 173, 178, 212, 265, 346, 356, 424, 445, 530, 692, 712, 848, 865, 890, 1060, 1384, 1424, 1730, 1780, 2120, 2768, 3460, 3560, 4240, 4717, 6920, 7120, 9169, 9434, 13840, 15397, 18338, 18868, 23585, 30794, 36676, 37736, 45845, 47170, 61588, 73352, 75472, 76985, 91690, 94340, 123176, 146704, 153970, 183380, 188680, 246352, 307940, 366760, 377360, 615880, 733520, 816041, 1231760, 1632082, 3264164, 4080205, 6528328, 8160410, 13056656, 16320820, 32641640, 65283280]

約数ペア:

[(1, 65283280), (2, 32641640), (4, 16320820), (5, 13056656), (8, 8160410), (10, 6528328), (16, 4080205), (20, 3264164), (40, 1632082), (53, 1231760), (80, 816041), (89, 733520), (106, 615880), (173, 377360), (178, 366760), (212, 307940), (265, 246352), (346, 188680), (356, 183380), (424, 153970), (445, 146704), (530, 123176), (692, 94340), (712, 91690), (848, 76985), (865, 75472), (890, 73352), (1060, 61588), (1384, 47170), (1424, 45845), (1730, 37736), (1780, 36676), (2120, 30794), (2768, 23585), (3460, 18868), (3560, 18338), (4240, 15397), (4717, 13840), (6920, 9434), (7120, 9169)]