1515847180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 3291548400

約数和(自身を除く): 1775701220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 229, 358, 430, 458, 716, 860, 895, 916, 1145, 1790, 1849, 2290, 3580, 3698, 4580, 7396, 7697, 9245, 9847, 15394, 18490, 19694, 30788, 36980, 38485, 39388, 40991, 49235, 76970, 81982, 98470, 153940, 163964, 196940, 204955, 330971, 409910, 423421, 661942, 819820, 846842, 1323884, 1654855, 1693684, 1762613, 2117105, 3309710, 3525226, 4234210, 6619420, 7050452, 8468420, 8813065, 17626130, 35252260, 75792359, 151584718, 303169436, 378961795, 757923590, 1515847180]

約数ペア:

[(1, 1515847180), (2, 757923590), (4, 378961795), (5, 303169436), (10, 151584718), (20, 75792359), (43, 35252260), (86, 17626130), (172, 8813065), (179, 8468420), (215, 7050452), (229, 6619420), (358, 4234210), (430, 3525226), (458, 3309710), (716, 2117105), (860, 1762613), (895, 1693684), (916, 1654855), (1145, 1323884), (1790, 846842), (1849, 819820), (2290, 661942), (3580, 423421), (3698, 409910), (4580, 330971), (7396, 204955), (7697, 196940), (9245, 163964), (9847, 153940), (15394, 98470), (18490, 81982), (19694, 76970), (30788, 49235), (36980, 40991), (38485, 39388)]