68396880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{547}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 212825664

約数和(自身を除く): 144428784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 547, 1042, 1094, 1563, 1641, 2084, 2188, 2605, 2735, 3126, 3282, 4168, 4376, 5210, 5470, 6252, 6564, 7815, 8205, 8336, 8752, 10420, 10940, 12504, 13128, 15630, 16410, 20840, 21880, 25008, 26256, 31260, 32820, 41680, 43760, 62520, 65640, 125040, 131280, 284987, 569974, 854961, 1139948, 1424935, 1709922, 2279896, 2849870, 3419844, 4274805, 4559792, 5699740, 6839688, 8549610, 11399480, 13679376, 17099220, 22798960, 34198440, 68396880]

約数ペア:

[(1, 68396880), (2, 34198440), (3, 22798960), (4, 17099220), (5, 13679376), (6, 11399480), (8, 8549610), (10, 6839688), (12, 5699740), (15, 4559792), (16, 4274805), (20, 3419844), (24, 2849870), (30, 2279896), (40, 1709922), (48, 1424935), (60, 1139948), (80, 854961), (120, 569974), (240, 284987), (521, 131280), (547, 125040), (1042, 65640), (1094, 62520), (1563, 43760), (1641, 41680), (2084, 32820), (2188, 31260), (2605, 26256), (2735, 25008), (3126, 21880), (3282, 20840), (4168, 16410), (4376, 15630), (5210, 13128), (5470, 12504), (6252, 10940), (6564, 10420), (7815, 8752), (8205, 8336)]