267653960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7297}}^1$

素因数の和:7446

約数の個数: 64

約数和(自身を含む): 693601920

約数和(自身を除く): 425947960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7297, 7336, 9170, 14594, 18340, 29188, 36485, 36680, 51079, 58376, 72970, 102158, 145940, 204316, 255395, 291880, 408632, 510790, 955907, 1021580, 1911814, 2043160, 3823628, 4779535, 6691349, 7647256, 9559070, 13382698, 19118140, 26765396, 33456745, 38236280, 53530792, 66913490, 133826980, 267653960]

約数ペア:

[(1, 267653960), (2, 133826980), (4, 66913490), (5, 53530792), (7, 38236280), (8, 33456745), (10, 26765396), (14, 19118140), (20, 13382698), (28, 9559070), (35, 7647256), (40, 6691349), (56, 4779535), (70, 3823628), (131, 2043160), (140, 1911814), (262, 1021580), (280, 955907), (524, 510790), (655, 408632), (917, 291880), (1048, 255395), (1310, 204316), (1834, 145940), (2620, 102158), (3668, 72970), (4585, 58376), (5240, 51079), (7297, 36680), (7336, 36485), (9170, 29188), (14594, 18340)]