66568040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21613}}^1$

素因数の和:21642

約数の個数: 64

約数和(自身を含む): 186744960

約数和(自身を除く): 120176920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21613, 43226, 86452, 108065, 151291, 172904, 216130, 237743, 302582, 432260, 475486, 605164, 756455, 864520, 950972, 1188715, 1210328, 1512910, 1664201, 1901944, 2377430, 3025820, 3328402, 4754860, 6051640, 6656804, 8321005, 9509720, 13313608, 16642010, 33284020, 66568040]

約数ペア:

[(1, 66568040), (2, 33284020), (4, 16642010), (5, 13313608), (7, 9509720), (8, 8321005), (10, 6656804), (11, 6051640), (14, 4754860), (20, 3328402), (22, 3025820), (28, 2377430), (35, 1901944), (40, 1664201), (44, 1512910), (55, 1210328), (56, 1188715), (70, 950972), (77, 864520), (88, 756455), (110, 605164), (140, 475486), (154, 432260), (220, 302582), (280, 237743), (308, 216130), (385, 172904), (440, 151291), (616, 108065), (770, 86452), (1540, 43226), (3080, 21613)]