1442220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 4452336

約数和(自身を除く): 3010116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1677, 1849, 2236, 2580, 2795, 3354, 3698, 5547, 5590, 6708, 7396, 8385, 9245, 11094, 11180, 16770, 18490, 22188, 24037, 27735, 33540, 36980, 48074, 55470, 72111, 96148, 110940, 120185, 144222, 240370, 288444, 360555, 480740, 721110, 1442220]

約数ペア:

[(1, 1442220), (2, 721110), (3, 480740), (4, 360555), (5, 288444), (6, 240370), (10, 144222), (12, 120185), (13, 110940), (15, 96148), (20, 72111), (26, 55470), (30, 48074), (39, 36980), (43, 33540), (52, 27735), (60, 24037), (65, 22188), (78, 18490), (86, 16770), (129, 11180), (130, 11094), (156, 9245), (172, 8385), (195, 7396), (215, 6708), (258, 5590), (260, 5547), (390, 3698), (430, 3354), (516, 2795), (559, 2580), (645, 2236), (780, 1849), (860, 1677), (1118, 1290)]