72643120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82549}}^1$

素因数の和:82573

約数の個数: 40

約数和(自身を含む): 184251600

約数和(自身を除く): 111608480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 82549, 165098, 330196, 412745, 660392, 825490, 908039, 1320784, 1650980, 1816078, 3301960, 3632156, 4540195, 6603920, 7264312, 9080390, 14528624, 18160780, 36321560, 72643120]

約数ペア:

[(1, 72643120), (2, 36321560), (4, 18160780), (5, 14528624), (8, 9080390), (10, 7264312), (11, 6603920), (16, 4540195), (20, 3632156), (22, 3301960), (40, 1816078), (44, 1650980), (55, 1320784), (80, 908039), (88, 825490), (110, 660392), (176, 412745), (220, 330196), (440, 165098), (880, 82549)]