16564892680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{253907}}^1$

素因数の和:254158

約数の個数: 64

約数和(自身を含む): 42778419840

約数和(自身を除く): 26213527160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 932, 1165, 1631, 1864, 2330, 3262, 4660, 6524, 8155, 9320, 13048, 16310, 32620, 65240, 253907, 507814, 1015628, 1269535, 1777349, 2031256, 2539070, 3554698, 5078140, 7109396, 8886745, 10156280, 14218792, 17773490, 35546980, 59160331, 71093960, 118320662, 236641324, 295801655, 414122317, 473282648, 591603310, 828244634, 1183206620, 1656489268, 2070611585, 2366413240, 3312978536, 4141223170, 8282446340, 16564892680]

約数ペア:

[(1, 16564892680), (2, 8282446340), (4, 4141223170), (5, 3312978536), (7, 2366413240), (8, 2070611585), (10, 1656489268), (14, 1183206620), (20, 828244634), (28, 591603310), (35, 473282648), (40, 414122317), (56, 295801655), (70, 236641324), (140, 118320662), (233, 71093960), (280, 59160331), (466, 35546980), (932, 17773490), (1165, 14218792), (1631, 10156280), (1864, 8886745), (2330, 7109396), (3262, 5078140), (4660, 3554698), (6524, 2539070), (8155, 2031256), (9320, 1777349), (13048, 1269535), (16310, 1015628), (32620, 507814), (65240, 253907)]