123280880

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8609}}^1$

素因数の和:8801

約数の個数: 40

約数和(自身を含む): 288262800

約数和(自身を除く): 164981920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 8609, 14320, 17218, 34436, 43045, 68872, 86090, 137744, 172180, 344360, 688720, 1541011, 3082022, 6164044, 7705055, 12328088, 15410110, 24656176, 30820220, 61640440, 123280880]

約数ペア:

[(1, 123280880), (2, 61640440), (4, 30820220), (5, 24656176), (8, 15410110), (10, 12328088), (16, 7705055), (20, 6164044), (40, 3082022), (80, 1541011), (179, 688720), (358, 344360), (716, 172180), (895, 137744), (1432, 86090), (1790, 68872), (2864, 43045), (3580, 34436), (7160, 17218), (8609, 14320)]