260440740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{206699}}^1$

素因数の和:206721

約数の個数: 72

約数和(自身を含む): 902865600

約数和(自身を除く): 642424860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 206699, 413398, 620097, 826796, 1033495, 1240194, 1446893, 1860291, 2066990, 2480388, 2893786, 3100485, 3720582, 4133980, 4340679, 5787572, 6200970, 7234465, 7441164, 8681358, 9301455, 12401940, 13022037, 14468930, 17362716, 18602910, 21703395, 26044074, 28937860, 37205820, 43406790, 52088148, 65110185, 86813580, 130220370, 260440740]

約数ペア:

[(1, 260440740), (2, 130220370), (3, 86813580), (4, 65110185), (5, 52088148), (6, 43406790), (7, 37205820), (9, 28937860), (10, 26044074), (12, 21703395), (14, 18602910), (15, 17362716), (18, 14468930), (20, 13022037), (21, 12401940), (28, 9301455), (30, 8681358), (35, 7441164), (36, 7234465), (42, 6200970), (45, 5787572), (60, 4340679), (63, 4133980), (70, 3720582), (84, 3100485), (90, 2893786), (105, 2480388), (126, 2066990), (140, 1860291), (180, 1446893), (210, 1240194), (252, 1033495), (315, 826796), (420, 620097), (630, 413398), (1260, 206699)]