42666660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{809}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 130024440

約数和(自身を除く): 87357780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 586, 809, 879, 1172, 1465, 1618, 1758, 2427, 2637, 2930, 3236, 3516, 4045, 4395, 4854, 5274, 5860, 7281, 8090, 8790, 9708, 10548, 12135, 13185, 14562, 16180, 17580, 24270, 26370, 29124, 36405, 48540, 52740, 72810, 145620, 237037, 474074, 711111, 948148, 1185185, 1422222, 2133333, 2370370, 2844444, 3555555, 4266666, 4740740, 7111110, 8533332, 10666665, 14222220, 21333330, 42666660]

約数ペア:

[(1, 42666660), (2, 21333330), (3, 14222220), (4, 10666665), (5, 8533332), (6, 7111110), (9, 4740740), (10, 4266666), (12, 3555555), (15, 2844444), (18, 2370370), (20, 2133333), (30, 1422222), (36, 1185185), (45, 948148), (60, 711111), (90, 474074), (180, 237037), (293, 145620), (586, 72810), (809, 52740), (879, 48540), (1172, 36405), (1465, 29124), (1618, 26370), (1758, 24270), (2427, 17580), (2637, 16180), (2930, 14562), (3236, 13185), (3516, 12135), (4045, 10548), (4395, 9708), (4854, 8790), (5274, 8090), (5860, 7281)]