12638730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1455

約数の個数: 64

約数和(自身を含む): 34110720

約数和(自身を除く): 21471990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1409, 1495, 1794, 2818, 2990, 4227, 4485, 7045, 8454, 8970, 14090, 18317, 21135, 32407, 36634, 42270, 54951, 64814, 91585, 97221, 109902, 162035, 183170, 194442, 274755, 324070, 421291, 486105, 549510, 842582, 972210, 1263873, 2106455, 2527746, 4212910, 6319365, 12638730]

約数ペア:

[(1, 12638730), (2, 6319365), (3, 4212910), (5, 2527746), (6, 2106455), (10, 1263873), (13, 972210), (15, 842582), (23, 549510), (26, 486105), (30, 421291), (39, 324070), (46, 274755), (65, 194442), (69, 183170), (78, 162035), (115, 109902), (130, 97221), (138, 91585), (195, 64814), (230, 54951), (299, 42270), (345, 36634), (390, 32407), (598, 21135), (690, 18317), (897, 14090), (1409, 8970), (1495, 8454), (1794, 7045), (2818, 4485), (2990, 4227)]