80932740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192697}}^1$

素因数の和:192716

約数の個数: 48

約数和(自身を含む): 258986112

約数和(自身を除く): 178053372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192697, 385394, 578091, 770788, 963485, 1156182, 1348879, 1926970, 2312364, 2697758, 2890455, 3853940, 4046637, 5395516, 5780910, 6744395, 8093274, 11561820, 13488790, 16186548, 20233185, 26977580, 40466370, 80932740]

約数ペア:

[(1, 80932740), (2, 40466370), (3, 26977580), (4, 20233185), (5, 16186548), (6, 13488790), (7, 11561820), (10, 8093274), (12, 6744395), (14, 5780910), (15, 5395516), (20, 4046637), (21, 3853940), (28, 2890455), (30, 2697758), (35, 2312364), (42, 1926970), (60, 1348879), (70, 1156182), (84, 963485), (105, 770788), (140, 578091), (210, 385394), (420, 192697)]