79866880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 88

約数和(自身を含む): 201916080

約数和(自身を除く): 122049200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 821, 1024, 1216, 1280, 1520, 1642, 2432, 2560, 3040, 3284, 4105, 4864, 5120, 6080, 6568, 8210, 9728, 12160, 13136, 15599, 16420, 19456, 24320, 26272, 31198, 32840, 48640, 52544, 62396, 65680, 77995, 97280, 105088, 124792, 131360, 155990, 210176, 249584, 262720, 311980, 420352, 499168, 525440, 623960, 840704, 998336, 1050880, 1247920, 1996672, 2101760, 2495840, 3993344, 4203520, 4991680, 7986688, 9983360, 15973376, 19966720, 39933440, 79866880]

約数ペア:

[(1, 79866880), (2, 39933440), (4, 19966720), (5, 15973376), (8, 9983360), (10, 7986688), (16, 4991680), (19, 4203520), (20, 3993344), (32, 2495840), (38, 2101760), (40, 1996672), (64, 1247920), (76, 1050880), (80, 998336), (95, 840704), (128, 623960), (152, 525440), (160, 499168), (190, 420352), (256, 311980), (304, 262720), (320, 249584), (380, 210176), (512, 155990), (608, 131360), (640, 124792), (760, 105088), (821, 97280), (1024, 77995), (1216, 65680), (1280, 62396), (1520, 52544), (1642, 48640), (2432, 32840), (2560, 31198), (3040, 26272), (3284, 24320), (4105, 19456), (4864, 16420), (5120, 15599), (6080, 13136), (6568, 12160), (8210, 9728)]