640504152

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{55949}}^1$

素因数の和:56017

約数の個数: 64

約数和(自身を含む): 1812780000

約数和(自身を除く): 1172275848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2862, 3816, 5724, 11448, 55949, 111898, 167847, 223796, 335694, 447592, 503541, 671388, 1007082, 1342776, 1510623, 2014164, 2965297, 3021246, 4028328, 5930594, 6042492, 8895891, 11861188, 12084984, 17791782, 23722376, 26687673, 35583564, 53375346, 71167128, 80063019, 106750692, 160126038, 213501384, 320252076, 640504152]

約数ペア:

[(1, 640504152), (2, 320252076), (3, 213501384), (4, 160126038), (6, 106750692), (8, 80063019), (9, 71167128), (12, 53375346), (18, 35583564), (24, 26687673), (27, 23722376), (36, 17791782), (53, 12084984), (54, 11861188), (72, 8895891), (106, 6042492), (108, 5930594), (159, 4028328), (212, 3021246), (216, 2965297), (318, 2014164), (424, 1510623), (477, 1342776), (636, 1007082), (954, 671388), (1272, 503541), (1431, 447592), (1908, 335694), (2862, 223796), (3816, 167847), (5724, 111898), (11448, 55949)]