31605720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15493}}^1$

素因数の和:15524

約数の個数: 64

約数和(自身を含む): 100401120

約数和(自身を除く): 68795400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15493, 30986, 46479, 61972, 77465, 92958, 123944, 154930, 185916, 232395, 263381, 309860, 371832, 464790, 526762, 619720, 790143, 929580, 1053524, 1316905, 1580286, 1859160, 2107048, 2633810, 3160572, 3950715, 5267620, 6321144, 7901430, 10535240, 15802860, 31605720]

約数ペア:

[(1, 31605720), (2, 15802860), (3, 10535240), (4, 7901430), (5, 6321144), (6, 5267620), (8, 3950715), (10, 3160572), (12, 2633810), (15, 2107048), (17, 1859160), (20, 1580286), (24, 1316905), (30, 1053524), (34, 929580), (40, 790143), (51, 619720), (60, 526762), (68, 464790), (85, 371832), (102, 309860), (120, 263381), (136, 232395), (170, 185916), (204, 154930), (255, 123944), (340, 92958), (408, 77465), (510, 61972), (680, 46479), (1020, 30986), (2040, 15493)]