65651960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 174493440

約数和(自身を除く): 108841480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 67, 68, 85, 88, 110, 131, 134, 136, 170, 187, 220, 262, 268, 335, 340, 374, 440, 524, 536, 655, 670, 680, 737, 748, 935, 1048, 1139, 1310, 1340, 1441, 1474, 1496, 1870, 2227, 2278, 2620, 2680, 2882, 2948, 3685, 3740, 4454, 4556, 5240, 5695, 5764, 5896, 7205, 7370, 7480, 8777, 8908, 9112, 11135, 11390, 11528, 12529, 14410, 14740, 17554, 17816, 22270, 22780, 24497, 25058, 28820, 29480, 35108, 43885, 44540, 45560, 48994, 50116, 57640, 62645, 70216, 87770, 89080, 96547, 97988, 100232, 122485, 125290, 149209, 175540, 193094, 195976, 244970, 250580, 298418, 351080, 386188, 482735, 489940, 501160, 596836, 746045, 772376, 965470, 979880, 1193672, 1492090, 1641299, 1930940, 2984180, 3282598, 3861880, 5968360, 6565196, 8206495, 13130392, 16412990, 32825980, 65651960]

約数ペア:

[(1, 65651960), (2, 32825980), (4, 16412990), (5, 13130392), (8, 8206495), (10, 6565196), (11, 5968360), (17, 3861880), (20, 3282598), (22, 2984180), (34, 1930940), (40, 1641299), (44, 1492090), (55, 1193672), (67, 979880), (68, 965470), (85, 772376), (88, 746045), (110, 596836), (131, 501160), (134, 489940), (136, 482735), (170, 386188), (187, 351080), (220, 298418), (262, 250580), (268, 244970), (335, 195976), (340, 193094), (374, 175540), (440, 149209), (524, 125290), (536, 122485), (655, 100232), (670, 97988), (680, 96547), (737, 89080), (748, 87770), (935, 70216), (1048, 62645), (1139, 57640), (1310, 50116), (1340, 48994), (1441, 45560), (1474, 44540), (1496, 43885), (1870, 35108), (2227, 29480), (2278, 28820), (2620, 25058), (2680, 24497), (2882, 22780), (2948, 22270), (3685, 17816), (3740, 17554), (4454, 14740), (4556, 14410), (5240, 12529), (5695, 11528), (5764, 11390), (5896, 11135), (7205, 9112), (7370, 8908), (7480, 8777)]