1989720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5527}}^1$

素因数の和:5544

約数の個数: 48

約数和(自身を含む): 6467760

約数和(自身を除く): 4478040

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, 5527, 11054, 16581, 22108, 27635, 33162, 44216, 49743, 55270, 66324, 82905, 99486, 110540, 132648, 165810, 198972, 221080, 248715, 331620, 397944, 497430, 663240, 994860, 1989720]

約数ペア:

[(1, 1989720), (2, 994860), (3, 663240), (4, 497430), (5, 397944), (6, 331620), (8, 248715), (9, 221080), (10, 198972), (12, 165810), (15, 132648), (18, 110540), (20, 99486), (24, 82905), (30, 66324), (36, 55270), (40, 49743), (45, 44216), (60, 33162), (72, 27635), (90, 22108), (120, 16581), (180, 11054), (360, 5527)]