72720280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{823}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 167379120

約数和(自身を除く): 94658840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 823, 940, 1646, 1880, 2209, 3292, 4115, 4418, 6584, 8230, 8836, 11045, 16460, 17672, 22090, 32920, 38681, 44180, 77362, 88360, 154724, 193405, 309448, 386810, 773620, 1547240, 1818007, 3636014, 7272028, 9090035, 14544056, 18180070, 36360140, 72720280]

約数ペア:

[(1, 72720280), (2, 36360140), (4, 18180070), (5, 14544056), (8, 9090035), (10, 7272028), (20, 3636014), (40, 1818007), (47, 1547240), (94, 773620), (188, 386810), (235, 309448), (376, 193405), (470, 154724), (823, 88360), (940, 77362), (1646, 44180), (1880, 38681), (2209, 32920), (3292, 22090), (4115, 17672), (4418, 16460), (6584, 11045), (8230, 8836)]