19801666860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2683}}^1\times {\mathrm{123007}}^1$

素因数の和:125702

約数の個数: 48

約数和(自身を含む): 55465783296

約数和(自身を除く): 35664116436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2683, 5366, 8049, 10732, 13415, 16098, 26830, 32196, 40245, 53660, 80490, 123007, 160980, 246014, 369021, 492028, 615035, 738042, 1230070, 1476084, 1845105, 2460140, 3690210, 7380420, 330027781, 660055562, 990083343, 1320111124, 1650138905, 1980166686, 3300277810, 3960333372, 4950416715, 6600555620, 9900833430, 19801666860]

約数ペア:

[(1, 19801666860), (2, 9900833430), (3, 6600555620), (4, 4950416715), (5, 3960333372), (6, 3300277810), (10, 1980166686), (12, 1650138905), (15, 1320111124), (20, 990083343), (30, 660055562), (60, 330027781), (2683, 7380420), (5366, 3690210), (8049, 2460140), (10732, 1845105), (13415, 1476084), (16098, 1230070), (26830, 738042), (32196, 615035), (40245, 492028), (53660, 369021), (80490, 246014), (123007, 160980)]