72915220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12703}}^1$

素因数の和:12760

約数の個数: 48

約数和(自身を含む): 179278848

約数和(自身を除く): 106363628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 12703, 25406, 50812, 63515, 88921, 127030, 177842, 254060, 355684, 444605, 520823, 889210, 1041646, 1778420, 2083292, 2604115, 3645761, 5208230, 7291522, 10416460, 14583044, 18228805, 36457610, 72915220]

約数ペア:

[(1, 72915220), (2, 36457610), (4, 18228805), (5, 14583044), (7, 10416460), (10, 7291522), (14, 5208230), (20, 3645761), (28, 2604115), (35, 2083292), (41, 1778420), (70, 1041646), (82, 889210), (140, 520823), (164, 444605), (205, 355684), (287, 254060), (410, 177842), (574, 127030), (820, 88921), (1148, 63515), (1435, 50812), (2870, 25406), (5740, 12703)]