72408990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{56131}}^1$

素因数の和:56184

約数の個数: 32

約数和(自身を含む): 177826176

約数和(自身を除く): 105417186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 56131, 112262, 168393, 280655, 336786, 561310, 841965, 1683930, 2413633, 4827266, 7240899, 12068165, 14481798, 24136330, 36204495, 72408990]

約数ペア:

[(1, 72408990), (2, 36204495), (3, 24136330), (5, 14481798), (6, 12068165), (10, 7240899), (15, 4827266), (30, 2413633), (43, 1683930), (86, 841965), (129, 561310), (215, 336786), (258, 280655), (430, 168393), (645, 112262), (1290, 56131)]