128981510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 275692032

約数和(自身を除く): 146710522

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 73, 86, 146, 215, 301, 365, 430, 511, 587, 602, 730, 1022, 1174, 1505, 2555, 2935, 3010, 3139, 4109, 5110, 5870, 6278, 8218, 15695, 20545, 21973, 25241, 31390, 41090, 42851, 43946, 50482, 85702, 109865, 126205, 176687, 214255, 219730, 252410, 299957, 353374, 428510, 599914, 883435, 1499785, 1766870, 1842593, 2999570, 3685186, 9212965, 12898151, 18425930, 25796302, 64490755, 128981510]

約数ペア:

[(1, 128981510), (2, 64490755), (5, 25796302), (7, 18425930), (10, 12898151), (14, 9212965), (35, 3685186), (43, 2999570), (70, 1842593), (73, 1766870), (86, 1499785), (146, 883435), (215, 599914), (301, 428510), (365, 353374), (430, 299957), (511, 252410), (587, 219730), (602, 214255), (730, 176687), (1022, 126205), (1174, 109865), (1505, 85702), (2555, 50482), (2935, 43946), (3010, 42851), (3139, 41090), (4109, 31390), (5110, 25241), (5870, 21973), (6278, 20545), (8218, 15695)]