64665960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31699}}^1$

素因数の和:31730

約数の個数: 64

約数和(自身を含む): 205416000

約数和(自身を除く): 140750040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 31699, 63398, 95097, 126796, 158495, 190194, 253592, 316990, 380388, 475485, 538883, 633980, 760776, 950970, 1077766, 1267960, 1616649, 1901940, 2155532, 2694415, 3233298, 3803880, 4311064, 5388830, 6466596, 8083245, 10777660, 12933192, 16166490, 21555320, 32332980, 64665960]

約数ペア:

[(1, 64665960), (2, 32332980), (3, 21555320), (4, 16166490), (5, 12933192), (6, 10777660), (8, 8083245), (10, 6466596), (12, 5388830), (15, 4311064), (17, 3803880), (20, 3233298), (24, 2694415), (30, 2155532), (34, 1901940), (40, 1616649), (51, 1267960), (60, 1077766), (68, 950970), (85, 760776), (102, 633980), (120, 538883), (136, 475485), (170, 380388), (204, 316990), (255, 253592), (340, 190194), (408, 158495), (510, 126796), (680, 95097), (1020, 63398), (2040, 31699)]