64757320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 154728000

約数和(自身を除く): 89970680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 613, 695, 760, 1112, 1226, 1390, 2452, 2641, 2780, 3065, 4904, 5282, 5560, 6130, 10564, 11647, 12260, 13205, 21128, 23294, 24520, 26410, 46588, 52820, 58235, 85207, 93176, 105640, 116470, 170414, 232940, 340828, 426035, 465880, 681656, 852070, 1618933, 1704140, 3237866, 3408280, 6475732, 8094665, 12951464, 16189330, 32378660, 64757320]

約数ペア:

[(1, 64757320), (2, 32378660), (4, 16189330), (5, 12951464), (8, 8094665), (10, 6475732), (19, 3408280), (20, 3237866), (38, 1704140), (40, 1618933), (76, 852070), (95, 681656), (139, 465880), (152, 426035), (190, 340828), (278, 232940), (380, 170414), (556, 116470), (613, 105640), (695, 93176), (760, 85207), (1112, 58235), (1226, 52820), (1390, 46588), (2452, 26410), (2641, 24520), (2780, 23294), (3065, 21128), (4904, 13205), (5282, 12260), (5560, 11647), (6130, 10564)]