80708280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2617}}^1$

素因数の和:2888

約数の個数: 64

約数和(自身を含む): 243159840

約数和(自身を除く): 162451560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 2617, 3084, 3855, 5140, 5234, 6168, 7710, 7851, 10280, 10468, 13085, 15420, 15702, 20936, 26170, 30840, 31404, 39255, 52340, 62808, 78510, 104680, 157020, 314040, 672569, 1345138, 2017707, 2690276, 3362845, 4035414, 5380552, 6725690, 8070828, 10088535, 13451380, 16141656, 20177070, 26902760, 40354140, 80708280]

約数ペア:

[(1, 80708280), (2, 40354140), (3, 26902760), (4, 20177070), (5, 16141656), (6, 13451380), (8, 10088535), (10, 8070828), (12, 6725690), (15, 5380552), (20, 4035414), (24, 3362845), (30, 2690276), (40, 2017707), (60, 1345138), (120, 672569), (257, 314040), (514, 157020), (771, 104680), (1028, 78510), (1285, 62808), (1542, 52340), (2056, 39255), (2570, 31404), (2617, 30840), (3084, 26170), (3855, 20936), (5140, 15702), (5234, 15420), (6168, 13085), (7710, 10468), (7851, 10280)]