64108220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 150822000

約数和(自身を除く): 86713780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 236, 242, 295, 449, 484, 590, 605, 649, 898, 1180, 1210, 1298, 1796, 2245, 2420, 2596, 3245, 4490, 4939, 6490, 7139, 8980, 9878, 12980, 14278, 19756, 24695, 26491, 28556, 35695, 49390, 52982, 54329, 71390, 98780, 105964, 108658, 132455, 142780, 217316, 264910, 271645, 291401, 529820, 543290, 582802, 1086580, 1165604, 1457005, 2914010, 3205411, 5828020, 6410822, 12821644, 16027055, 32054110, 64108220]

約数ペア:

[(1, 64108220), (2, 32054110), (4, 16027055), (5, 12821644), (10, 6410822), (11, 5828020), (20, 3205411), (22, 2914010), (44, 1457005), (55, 1165604), (59, 1086580), (110, 582802), (118, 543290), (121, 529820), (220, 291401), (236, 271645), (242, 264910), (295, 217316), (449, 142780), (484, 132455), (590, 108658), (605, 105964), (649, 98780), (898, 71390), (1180, 54329), (1210, 52982), (1298, 49390), (1796, 35695), (2245, 28556), (2420, 26491), (2596, 24695), (3245, 19756), (4490, 14278), (4939, 12980), (6490, 9878), (7139, 8980)]