31191120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43321}}^1$

素因数の和:43340

約数の個数: 60

約数和(自身を含む): 104752596

約数和(自身を除く): 73561476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 43321, 86642, 129963, 173284, 216605, 259926, 346568, 389889, 433210, 519852, 649815, 693136, 779778, 866420, 1039704, 1299630, 1559556, 1732840, 1949445, 2079408, 2599260, 3119112, 3465680, 3898890, 5198520, 6238224, 7797780, 10397040, 15595560, 31191120]

約数ペア:

[(1, 31191120), (2, 15595560), (3, 10397040), (4, 7797780), (5, 6238224), (6, 5198520), (8, 3898890), (9, 3465680), (10, 3119112), (12, 2599260), (15, 2079408), (16, 1949445), (18, 1732840), (20, 1559556), (24, 1299630), (30, 1039704), (36, 866420), (40, 779778), (45, 693136), (48, 649815), (60, 519852), (72, 433210), (80, 389889), (90, 346568), (120, 259926), (144, 216605), (180, 173284), (240, 129963), (360, 86642), (720, 43321)]