30840180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 99837696

約数和(自身を除く): 68997516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 757, 970, 1164, 1358, 1455, 1514, 1940, 2037, 2271, 2716, 2910, 3028, 3395, 3785, 4074, 4542, 5299, 5820, 6790, 7570, 8148, 9084, 10185, 10598, 11355, 13580, 15140, 15897, 20370, 21196, 22710, 26495, 31794, 40740, 45420, 52990, 63588, 73429, 79485, 105980, 146858, 158970, 220287, 293716, 317940, 367145, 440574, 514003, 734290, 881148, 1028006, 1101435, 1468580, 1542009, 2056012, 2202870, 2570015, 3084018, 4405740, 5140030, 6168036, 7710045, 10280060, 15420090, 30840180]

約数ペア:

[(1, 30840180), (2, 15420090), (3, 10280060), (4, 7710045), (5, 6168036), (6, 5140030), (7, 4405740), (10, 3084018), (12, 2570015), (14, 2202870), (15, 2056012), (20, 1542009), (21, 1468580), (28, 1101435), (30, 1028006), (35, 881148), (42, 734290), (60, 514003), (70, 440574), (84, 367145), (97, 317940), (105, 293716), (140, 220287), (194, 158970), (210, 146858), (291, 105980), (388, 79485), (420, 73429), (485, 63588), (582, 52990), (679, 45420), (757, 40740), (970, 31794), (1164, 26495), (1358, 22710), (1455, 21196), (1514, 20370), (1940, 15897), (2037, 15140), (2271, 13580), (2716, 11355), (2910, 10598), (3028, 10185), (3395, 9084), (3785, 8148), (4074, 7570), (4542, 6790), (5299, 5820)]