217095720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{11981}}^1$

素因数の和:12146

約数の個数: 64

約数和(自身を含む): 655655040

約数和(自身を除く): 438559320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1208, 1510, 1812, 2265, 3020, 3624, 4530, 6040, 9060, 11981, 18120, 23962, 35943, 47924, 59905, 71886, 95848, 119810, 143772, 179715, 239620, 287544, 359430, 479240, 718860, 1437720, 1809131, 3618262, 5427393, 7236524, 9045655, 10854786, 14473048, 18091310, 21709572, 27136965, 36182620, 43419144, 54273930, 72365240, 108547860, 217095720]

約数ペア:

[(1, 217095720), (2, 108547860), (3, 72365240), (4, 54273930), (5, 43419144), (6, 36182620), (8, 27136965), (10, 21709572), (12, 18091310), (15, 14473048), (20, 10854786), (24, 9045655), (30, 7236524), (40, 5427393), (60, 3618262), (120, 1809131), (151, 1437720), (302, 718860), (453, 479240), (604, 359430), (755, 287544), (906, 239620), (1208, 179715), (1510, 143772), (1812, 119810), (2265, 95848), (3020, 71886), (3624, 59905), (4530, 47924), (6040, 35943), (9060, 23962), (11981, 18120)]