81644040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226789}}^1$

素因数の和:226806

約数の個数: 48

約数和(自身を含む): 265344300

約数和(自身を除く): 183700260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226789, 453578, 680367, 907156, 1133945, 1360734, 1814312, 2041101, 2267890, 2721468, 3401835, 4082202, 4535780, 5442936, 6803670, 8164404, 9071560, 10205505, 13607340, 16328808, 20411010, 27214680, 40822020, 81644040]

約数ペア:

[(1, 81644040), (2, 40822020), (3, 27214680), (4, 20411010), (5, 16328808), (6, 13607340), (8, 10205505), (9, 9071560), (10, 8164404), (12, 6803670), (15, 5442936), (18, 4535780), (20, 4082202), (24, 3401835), (30, 2721468), (36, 2267890), (40, 2041101), (45, 1814312), (60, 1360734), (72, 1133945), (90, 907156), (120, 680367), (180, 453578), (360, 226789)]