66103280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 163397280

約数和(自身を除く): 97294000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 277, 304, 314, 380, 554, 628, 760, 785, 1108, 1256, 1385, 1520, 1570, 2216, 2512, 2770, 2983, 3140, 4432, 5263, 5540, 5966, 6280, 10526, 11080, 11932, 12560, 14915, 21052, 22160, 23864, 26315, 29830, 42104, 43489, 47728, 52630, 59660, 84208, 86978, 105260, 119320, 173956, 210520, 217445, 238640, 347912, 421040, 434890, 695824, 826291, 869780, 1652582, 1739560, 3305164, 3479120, 4131455, 6610328, 8262910, 13220656, 16525820, 33051640, 66103280]

約数ペア:

[(1, 66103280), (2, 33051640), (4, 16525820), (5, 13220656), (8, 8262910), (10, 6610328), (16, 4131455), (19, 3479120), (20, 3305164), (38, 1739560), (40, 1652582), (76, 869780), (80, 826291), (95, 695824), (152, 434890), (157, 421040), (190, 347912), (277, 238640), (304, 217445), (314, 210520), (380, 173956), (554, 119320), (628, 105260), (760, 86978), (785, 84208), (1108, 59660), (1256, 52630), (1385, 47728), (1520, 43489), (1570, 42104), (2216, 29830), (2512, 26315), (2770, 23864), (2983, 22160), (3140, 21052), (4432, 14915), (5263, 12560), (5540, 11932), (5966, 11080), (6280, 10526)]