217029720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1808581}}^1$

素因数の和:1808595

約数の個数: 32

約数和(自身を含む): 651089520

約数和(自身を除く): 434059800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1808581, 3617162, 5425743, 7234324, 9042905, 10851486, 14468648, 18085810, 21702972, 27128715, 36171620, 43405944, 54257430, 72343240, 108514860, 217029720]

約数ペア:

[(1, 217029720), (2, 108514860), (3, 72343240), (4, 54257430), (5, 43405944), (6, 36171620), (8, 27128715), (10, 21702972), (12, 18085810), (15, 14468648), (20, 10851486), (24, 9042905), (30, 7234324), (40, 5425743), (60, 3617162), (120, 1808581)]