30990834

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 72

約数和(自身を含む): 80108028

約数和(自身を除く): 49117194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 574, 738, 857, 861, 882, 1714, 1722, 2009, 2571, 2583, 4018, 5142, 5166, 5999, 6027, 7713, 11998, 12054, 15426, 17997, 18081, 35137, 35994, 36162, 41993, 53991, 70274, 83986, 105411, 107982, 125979, 210822, 245959, 251958, 316233, 377937, 491918, 632466, 737877, 755874, 1475754, 1721713, 2213631, 3443426, 4427262, 5165139, 10330278, 15495417, 30990834]

約数ペア:

[(1, 30990834), (2, 15495417), (3, 10330278), (6, 5165139), (7, 4427262), (9, 3443426), (14, 2213631), (18, 1721713), (21, 1475754), (41, 755874), (42, 737877), (49, 632466), (63, 491918), (82, 377937), (98, 316233), (123, 251958), (126, 245959), (147, 210822), (246, 125979), (287, 107982), (294, 105411), (369, 83986), (441, 70274), (574, 53991), (738, 41993), (857, 36162), (861, 35994), (882, 35137), (1714, 18081), (1722, 17997), (2009, 15426), (2571, 12054), (2583, 11998), (4018, 7713), (5142, 6027), (5166, 5999)]