140947980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{54631}}^1$

素因数の和:54686

約数の個数: 48

約数和(自身を含む): 403839744

約数和(自身を除く): 262891764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 54631, 109262, 163893, 218524, 273155, 327786, 546310, 655572, 819465, 1092620, 1638930, 2349133, 3277860, 4698266, 7047399, 9396532, 11745665, 14094798, 23491330, 28189596, 35236995, 46982660, 70473990, 140947980]

約数ペア:

[(1, 140947980), (2, 70473990), (3, 46982660), (4, 35236995), (5, 28189596), (6, 23491330), (10, 14094798), (12, 11745665), (15, 9396532), (20, 7047399), (30, 4698266), (43, 3277860), (60, 2349133), (86, 1638930), (129, 1092620), (172, 819465), (215, 655572), (258, 546310), (430, 327786), (516, 273155), (645, 218524), (860, 163893), (1290, 109262), (2580, 54631)]