645656688

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{39679}}^1$

素因数の和:39806

約数の個数: 60

約数和(自身を含む): 1822978560

約数和(自身を除く): 1177321872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1356, 1808, 2034, 2712, 4068, 5424, 8136, 16272, 39679, 79358, 119037, 158716, 238074, 317432, 357111, 476148, 634864, 714222, 952296, 1428444, 1904592, 2856888, 4483727, 5713776, 8967454, 13451181, 17934908, 26902362, 35869816, 40353543, 53804724, 71739632, 80707086, 107609448, 161414172, 215218896, 322828344, 645656688]

約数ペア:

[(1, 645656688), (2, 322828344), (3, 215218896), (4, 161414172), (6, 107609448), (8, 80707086), (9, 71739632), (12, 53804724), (16, 40353543), (18, 35869816), (24, 26902362), (36, 17934908), (48, 13451181), (72, 8967454), (113, 5713776), (144, 4483727), (226, 2856888), (339, 1904592), (452, 1428444), (678, 952296), (904, 714222), (1017, 634864), (1356, 476148), (1808, 357111), (2034, 317432), (2712, 238074), (4068, 158716), (5424, 119037), (8136, 79358), (16272, 39679)]