64032220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 157659264

約数和(自身を除く): 93627044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 293, 446, 490, 586, 892, 980, 1115, 1172, 1465, 1561, 2051, 2230, 2930, 3122, 4102, 4460, 5860, 6244, 7805, 8204, 10255, 10927, 14357, 15610, 20510, 21854, 28714, 31220, 41020, 43708, 54635, 57428, 65339, 71785, 109270, 130678, 143570, 218540, 261356, 287140, 326695, 457373, 653390, 914746, 1306780, 1829492, 2286865, 3201611, 4573730, 6403222, 9147460, 12806444, 16008055, 32016110, 64032220]

約数ペア:

[(1, 64032220), (2, 32016110), (4, 16008055), (5, 12806444), (7, 9147460), (10, 6403222), (14, 4573730), (20, 3201611), (28, 2286865), (35, 1829492), (49, 1306780), (70, 914746), (98, 653390), (140, 457373), (196, 326695), (223, 287140), (245, 261356), (293, 218540), (446, 143570), (490, 130678), (586, 109270), (892, 71785), (980, 65339), (1115, 57428), (1172, 54635), (1465, 43708), (1561, 41020), (2051, 31220), (2230, 28714), (2930, 21854), (3122, 20510), (4102, 15610), (4460, 14357), (5860, 10927), (6244, 10255), (7805, 8204)]