64395940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 166763520

約数和(自身を除く): 102367580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 190, 215, 266, 301, 380, 430, 532, 563, 602, 665, 817, 860, 1126, 1204, 1330, 1505, 1634, 2252, 2660, 2815, 3010, 3268, 3941, 4085, 5630, 5719, 6020, 7882, 8170, 10697, 11260, 11438, 15764, 16340, 19705, 21394, 22876, 24209, 28595, 39410, 42788, 48418, 53485, 57190, 74879, 78820, 96836, 106970, 114380, 121045, 149758, 169463, 213940, 242090, 299516, 338926, 374395, 459971, 484180, 677852, 748790, 847315, 919942, 1497580, 1694630, 1839884, 2299855, 3219797, 3389260, 4599710, 6439594, 9199420, 12879188, 16098985, 32197970, 64395940]

約数ペア:

[(1, 64395940), (2, 32197970), (4, 16098985), (5, 12879188), (7, 9199420), (10, 6439594), (14, 4599710), (19, 3389260), (20, 3219797), (28, 2299855), (35, 1839884), (38, 1694630), (43, 1497580), (70, 919942), (76, 847315), (86, 748790), (95, 677852), (133, 484180), (140, 459971), (172, 374395), (190, 338926), (215, 299516), (266, 242090), (301, 213940), (380, 169463), (430, 149758), (532, 121045), (563, 114380), (602, 106970), (665, 96836), (817, 78820), (860, 74879), (1126, 57190), (1204, 53485), (1330, 48418), (1505, 42788), (1634, 39410), (2252, 28595), (2660, 24209), (2815, 22876), (3010, 21394), (3268, 19705), (3941, 16340), (4085, 15764), (5630, 11438), (5719, 11260), (6020, 10697), (7882, 8170)]