40251540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13691}}^1$

素因数の和:13717

約数の個数: 72

約数和(自身を含む): 131114592

約数和(自身を除く): 90863052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13691, 27382, 41073, 54764, 68455, 82146, 95837, 136910, 164292, 191674, 205365, 273820, 287511, 383348, 410730, 479185, 575022, 670859, 821460, 958370, 1150044, 1341718, 1437555, 1916740, 2012577, 2683436, 2875110, 3354295, 4025154, 5750220, 6708590, 8050308, 10062885, 13417180, 20125770, 40251540]

約数ペア:

[(1, 40251540), (2, 20125770), (3, 13417180), (4, 10062885), (5, 8050308), (6, 6708590), (7, 5750220), (10, 4025154), (12, 3354295), (14, 2875110), (15, 2683436), (20, 2012577), (21, 1916740), (28, 1437555), (30, 1341718), (35, 1150044), (42, 958370), (49, 821460), (60, 670859), (70, 575022), (84, 479185), (98, 410730), (105, 383348), (140, 287511), (147, 273820), (196, 205365), (210, 191674), (245, 164292), (294, 136910), (420, 95837), (490, 82146), (588, 68455), (735, 54764), (980, 41073), (1470, 27382), (2940, 13691)]