131303920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 360619776

約数和(自身を除く): 229315856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 67, 68, 80, 85, 88, 110, 131, 134, 136, 170, 176, 187, 220, 262, 268, 272, 335, 340, 374, 440, 524, 536, 655, 670, 680, 737, 748, 880, 935, 1048, 1072, 1139, 1310, 1340, 1360, 1441, 1474, 1496, 1870, 2096, 2227, 2278, 2620, 2680, 2882, 2948, 2992, 3685, 3740, 4454, 4556, 5240, 5360, 5695, 5764, 5896, 7205, 7370, 7480, 8777, 8908, 9112, 10480, 11135, 11390, 11528, 11792, 12529, 14410, 14740, 14960, 17554, 17816, 18224, 22270, 22780, 23056, 24497, 25058, 28820, 29480, 35108, 35632, 43885, 44540, 45560, 48994, 50116, 57640, 58960, 62645, 70216, 87770, 89080, 91120, 96547, 97988, 100232, 115280, 122485, 125290, 140432, 149209, 175540, 178160, 193094, 195976, 200464, 244970, 250580, 298418, 351080, 386188, 391952, 482735, 489940, 501160, 596836, 702160, 746045, 772376, 965470, 979880, 1002320, 1193672, 1492090, 1544752, 1641299, 1930940, 1959760, 2387344, 2984180, 3282598, 3861880, 5968360, 6565196, 7723760, 8206495, 11936720, 13130392, 16412990, 26260784, 32825980, 65651960, 131303920]

約数ペア:

[(1, 131303920), (2, 65651960), (4, 32825980), (5, 26260784), (8, 16412990), (10, 13130392), (11, 11936720), (16, 8206495), (17, 7723760), (20, 6565196), (22, 5968360), (34, 3861880), (40, 3282598), (44, 2984180), (55, 2387344), (67, 1959760), (68, 1930940), (80, 1641299), (85, 1544752), (88, 1492090), (110, 1193672), (131, 1002320), (134, 979880), (136, 965470), (170, 772376), (176, 746045), (187, 702160), (220, 596836), (262, 501160), (268, 489940), (272, 482735), (335, 391952), (340, 386188), (374, 351080), (440, 298418), (524, 250580), (536, 244970), (655, 200464), (670, 195976), (680, 193094), (737, 178160), (748, 175540), (880, 149209), (935, 140432), (1048, 125290), (1072, 122485), (1139, 115280), (1310, 100232), (1340, 97988), (1360, 96547), (1441, 91120), (1474, 89080), (1496, 87770), (1870, 70216), (2096, 62645), (2227, 58960), (2278, 57640), (2620, 50116), (2680, 48994), (2882, 45560), (2948, 44540), (2992, 43885), (3685, 35632), (3740, 35108), (4454, 29480), (4556, 28820), (5240, 25058), (5360, 24497), (5695, 23056), (5764, 22780), (5896, 22270), (7205, 18224), (7370, 17816), (7480, 17554), (8777, 14960), (8908, 14740), (9112, 14410), (10480, 12529), (11135, 11792), (11390, 11528)]