79995472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 180524160

約数和(自身を除く): 100528688

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 184, 272, 304, 323, 368, 391, 437, 646, 673, 782, 874, 1292, 1346, 1564, 1748, 2584, 2692, 3128, 3496, 5168, 5384, 6256, 6992, 7429, 10768, 11441, 12787, 14858, 15479, 22882, 25574, 29716, 30958, 45764, 51148, 59432, 61916, 91528, 102296, 118864, 123832, 183056, 204592, 217379, 247664, 263143, 294101, 434758, 526286, 588202, 869516, 1052572, 1176404, 1739032, 2105144, 2352808, 3478064, 4210288, 4705616, 4999717, 9999434, 19998868, 39997736, 79995472]

約数ペア:

[(1, 79995472), (2, 39997736), (4, 19998868), (8, 9999434), (16, 4999717), (17, 4705616), (19, 4210288), (23, 3478064), (34, 2352808), (38, 2105144), (46, 1739032), (68, 1176404), (76, 1052572), (92, 869516), (136, 588202), (152, 526286), (184, 434758), (272, 294101), (304, 263143), (323, 247664), (368, 217379), (391, 204592), (437, 183056), (646, 123832), (673, 118864), (782, 102296), (874, 91528), (1292, 61916), (1346, 59432), (1564, 51148), (1748, 45764), (2584, 30958), (2692, 29716), (3128, 25574), (3496, 22882), (5168, 15479), (5384, 14858), (6256, 12787), (6992, 11441), (7429, 10768)]