1111440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 3767616

約数和(自身を除く): 2656176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 421, 440, 528, 660, 842, 880, 1263, 1320, 1684, 2105, 2526, 2640, 3368, 4210, 4631, 5052, 6315, 6736, 8420, 9262, 10104, 12630, 13893, 16840, 18524, 20208, 23155, 25260, 27786, 33680, 37048, 46310, 50520, 55572, 69465, 74096, 92620, 101040, 111144, 138930, 185240, 222288, 277860, 370480, 555720, 1111440]

約数ペア:

[(1, 1111440), (2, 555720), (3, 370480), (4, 277860), (5, 222288), (6, 185240), (8, 138930), (10, 111144), (11, 101040), (12, 92620), (15, 74096), (16, 69465), (20, 55572), (22, 50520), (24, 46310), (30, 37048), (33, 33680), (40, 27786), (44, 25260), (48, 23155), (55, 20208), (60, 18524), (66, 16840), (80, 13893), (88, 12630), (110, 10104), (120, 9262), (132, 8420), (165, 6736), (176, 6315), (220, 5052), (240, 4631), (264, 4210), (330, 3368), (421, 2640), (440, 2526), (528, 2105), (660, 1684), (842, 1320), (880, 1263)]