320767380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{16349}}^1$

素因数の和:16473

約数の個数: 72

約数和(自身を含む): 981981000

約数和(自身を除く): 661213620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 16349, 19620, 32698, 49047, 65396, 81745, 98094, 147141, 163490, 196188, 245235, 294282, 326980, 490470, 588564, 735705, 980940, 1471410, 1782041, 2942820, 3564082, 5346123, 7128164, 8910205, 10692246, 16038369, 17820410, 21384492, 26730615, 32076738, 35640820, 53461230, 64153476, 80191845, 106922460, 160383690, 320767380]

約数ペア:

[(1, 320767380), (2, 160383690), (3, 106922460), (4, 80191845), (5, 64153476), (6, 53461230), (9, 35640820), (10, 32076738), (12, 26730615), (15, 21384492), (18, 17820410), (20, 16038369), (30, 10692246), (36, 8910205), (45, 7128164), (60, 5346123), (90, 3564082), (109, 2942820), (180, 1782041), (218, 1471410), (327, 980940), (436, 735705), (545, 588564), (654, 490470), (981, 326980), (1090, 294282), (1308, 245235), (1635, 196188), (1962, 163490), (2180, 147141), (3270, 98094), (3924, 81745), (4905, 65396), (6540, 49047), (9810, 32698), (16349, 19620)]