31939020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{929}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 97493760

約数和(自身を除く): 65554740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 929, 955, 1146, 1719, 1858, 1910, 2292, 2787, 2865, 3438, 3716, 3820, 4645, 5574, 5730, 6876, 8361, 8595, 9290, 11148, 11460, 13935, 16722, 17190, 18580, 27870, 33444, 34380, 41805, 55740, 83610, 167220, 177439, 354878, 532317, 709756, 887195, 1064634, 1596951, 1774390, 2129268, 2661585, 3193902, 3548780, 5323170, 6387804, 7984755, 10646340, 15969510, 31939020]

約数ペア:

[(1, 31939020), (2, 15969510), (3, 10646340), (4, 7984755), (5, 6387804), (6, 5323170), (9, 3548780), (10, 3193902), (12, 2661585), (15, 2129268), (18, 1774390), (20, 1596951), (30, 1064634), (36, 887195), (45, 709756), (60, 532317), (90, 354878), (180, 177439), (191, 167220), (382, 83610), (573, 55740), (764, 41805), (929, 34380), (955, 33444), (1146, 27870), (1719, 18580), (1858, 17190), (1910, 16722), (2292, 13935), (2787, 11460), (2865, 11148), (3438, 9290), (3716, 8595), (3820, 8361), (4645, 6876), (5574, 5730)]