64313820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{829}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 195773760

約数和(自身を除く): 131459940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 829, 862, 1293, 1658, 1724, 2155, 2487, 2586, 3316, 3879, 4145, 4310, 4974, 5172, 6465, 7461, 7758, 8290, 8620, 9948, 12435, 12930, 14922, 15516, 16580, 19395, 24870, 25860, 29844, 37305, 38790, 49740, 74610, 77580, 149220, 357299, 714598, 1071897, 1429196, 1786495, 2143794, 3215691, 3572990, 4287588, 5359485, 6431382, 7145980, 10718970, 12862764, 16078455, 21437940, 32156910, 64313820]

約数ペア:

[(1, 64313820), (2, 32156910), (3, 21437940), (4, 16078455), (5, 12862764), (6, 10718970), (9, 7145980), (10, 6431382), (12, 5359485), (15, 4287588), (18, 3572990), (20, 3215691), (30, 2143794), (36, 1786495), (45, 1429196), (60, 1071897), (90, 714598), (180, 357299), (431, 149220), (829, 77580), (862, 74610), (1293, 49740), (1658, 38790), (1724, 37305), (2155, 29844), (2487, 25860), (2586, 24870), (3316, 19395), (3879, 16580), (4145, 15516), (4310, 14922), (4974, 12930), (5172, 12435), (6465, 9948), (7461, 8620), (7758, 8290)]