15720822

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 38648064

約数和(自身を除く): 22927242

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 127, 138, 207, 234, 254, 299, 381, 414, 529, 598, 762, 897, 1058, 1143, 1587, 1651, 1794, 2286, 2691, 2921, 3174, 3302, 4761, 4953, 5382, 5842, 6877, 8763, 9522, 9906, 13754, 14859, 17526, 20631, 26289, 29718, 37973, 41262, 52578, 61893, 67183, 75946, 113919, 123786, 134366, 201549, 227838, 341757, 403098, 604647, 683514, 873379, 1209294, 1746758, 2620137, 5240274, 7860411, 15720822]

約数ペア:

[(1, 15720822), (2, 7860411), (3, 5240274), (6, 2620137), (9, 1746758), (13, 1209294), (18, 873379), (23, 683514), (26, 604647), (39, 403098), (46, 341757), (69, 227838), (78, 201549), (117, 134366), (127, 123786), (138, 113919), (207, 75946), (234, 67183), (254, 61893), (299, 52578), (381, 41262), (414, 37973), (529, 29718), (598, 26289), (762, 20631), (897, 17526), (1058, 14859), (1143, 13754), (1587, 9906), (1651, 9522), (1794, 8763), (2286, 6877), (2691, 5842), (2921, 5382), (3174, 4953), (3302, 4761)]