31975380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 97461000

約数和(自身を除く): 65485620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 509, 698, 1018, 1047, 1396, 1527, 1745, 2036, 2094, 2545, 3054, 3141, 3490, 4188, 4581, 5090, 5235, 6108, 6282, 6980, 7635, 9162, 10180, 10470, 12564, 15270, 15705, 18324, 20940, 22905, 30540, 31410, 45810, 62820, 91620, 177641, 355282, 532923, 710564, 888205, 1065846, 1598769, 1776410, 2131692, 2664615, 3197538, 3552820, 5329230, 6395076, 7993845, 10658460, 15987690, 31975380]

約数ペア:

[(1, 31975380), (2, 15987690), (3, 10658460), (4, 7993845), (5, 6395076), (6, 5329230), (9, 3552820), (10, 3197538), (12, 2664615), (15, 2131692), (18, 1776410), (20, 1598769), (30, 1065846), (36, 888205), (45, 710564), (60, 532923), (90, 355282), (180, 177641), (349, 91620), (509, 62820), (698, 45810), (1018, 31410), (1047, 30540), (1396, 22905), (1527, 20940), (1745, 18324), (2036, 15705), (2094, 15270), (2545, 12564), (3054, 10470), (3141, 10180), (3490, 9162), (4188, 7635), (4581, 6980), (5090, 6282), (5235, 6108)]