1555440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6481}}^1$

素因数の和:6497

約数の個数: 40

約数和(自身を含む): 4822608

約数和(自身を除く): 3267168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6481, 12962, 19443, 25924, 32405, 38886, 51848, 64810, 77772, 97215, 103696, 129620, 155544, 194430, 259240, 311088, 388860, 518480, 777720, 1555440]

約数ペア:

[(1, 1555440), (2, 777720), (3, 518480), (4, 388860), (5, 311088), (6, 259240), (8, 194430), (10, 155544), (12, 129620), (15, 103696), (16, 97215), (20, 77772), (24, 64810), (30, 51848), (40, 38886), (48, 32405), (60, 25924), (80, 19443), (120, 12962), (240, 6481)]