643920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2683}}^1$

素因数の和:2699

約数の個数: 40

約数和(自身を含む): 1996896

約数和(自身を除く): 1352976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2683, 5366, 8049, 10732, 13415, 16098, 21464, 26830, 32196, 40245, 42928, 53660, 64392, 80490, 107320, 128784, 160980, 214640, 321960, 643920]

約数ペア:

[(1, 643920), (2, 321960), (3, 214640), (4, 160980), (5, 128784), (6, 107320), (8, 80490), (10, 64392), (12, 53660), (15, 42928), (16, 40245), (20, 32196), (24, 26830), (30, 21464), (40, 16098), (48, 13415), (60, 10732), (80, 8049), (120, 5366), (240, 2683)]