156965499880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1123429}}^1$

素因数の和:1123946

約数の個数: 64

約数和(自身を含む): 404434800000

約数和(自身を除く): 247469300120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1996, 2495, 3493, 3992, 4990, 6986, 9980, 13972, 17465, 19960, 27944, 34930, 69860, 139720, 1123429, 2246858, 4493716, 5617145, 7864003, 8987432, 11234290, 15728006, 22468580, 31456012, 39320015, 44937160, 62912024, 78640030, 157280060, 314560120, 560591071, 1121182142, 2242364284, 2802955355, 3924137497, 4484728568, 5605910710, 7848274994, 11211821420, 15696549988, 19620687485, 22423642840, 31393099976, 39241374970, 78482749940, 156965499880]

約数ペア:

[(1, 156965499880), (2, 78482749940), (4, 39241374970), (5, 31393099976), (7, 22423642840), (8, 19620687485), (10, 15696549988), (14, 11211821420), (20, 7848274994), (28, 5605910710), (35, 4484728568), (40, 3924137497), (56, 2802955355), (70, 2242364284), (140, 1121182142), (280, 560591071), (499, 314560120), (998, 157280060), (1996, 78640030), (2495, 62912024), (3493, 44937160), (3992, 39320015), (4990, 31456012), (6986, 22468580), (9980, 15728006), (13972, 11234290), (17465, 8987432), (19960, 7864003), (27944, 5617145), (34930, 4493716), (69860, 2246858), (139720, 1123429)]