79815280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 191594880

約数和(自身を除く): 111779600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 79, 80, 146, 158, 173, 292, 316, 346, 365, 395, 584, 632, 692, 730, 790, 865, 1168, 1264, 1384, 1460, 1580, 1730, 2768, 2920, 3160, 3460, 5767, 5840, 6320, 6920, 11534, 12629, 13667, 13840, 23068, 25258, 27334, 28835, 46136, 50516, 54668, 57670, 63145, 68335, 92272, 101032, 109336, 115340, 126290, 136670, 202064, 218672, 230680, 252580, 273340, 461360, 505160, 546680, 997691, 1010320, 1093360, 1995382, 3990764, 4988455, 7981528, 9976910, 15963056, 19953820, 39907640, 79815280]

約数ペア:

[(1, 79815280), (2, 39907640), (4, 19953820), (5, 15963056), (8, 9976910), (10, 7981528), (16, 4988455), (20, 3990764), (40, 1995382), (73, 1093360), (79, 1010320), (80, 997691), (146, 546680), (158, 505160), (173, 461360), (292, 273340), (316, 252580), (346, 230680), (365, 218672), (395, 202064), (584, 136670), (632, 126290), (692, 115340), (730, 109336), (790, 101032), (865, 92272), (1168, 68335), (1264, 63145), (1384, 57670), (1460, 54668), (1580, 50516), (1730, 46136), (2768, 28835), (2920, 27334), (3160, 25258), (3460, 23068), (5767, 13840), (5840, 13667), (6320, 12629), (6920, 11534)]