81435930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 200793600

約数和(自身を除く): 119357670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 139, 177, 278, 295, 331, 354, 417, 590, 662, 695, 834, 885, 993, 1390, 1655, 1770, 1986, 2085, 3310, 4170, 4965, 8201, 9930, 16402, 19529, 24603, 39058, 41005, 46009, 49206, 58587, 82010, 92018, 97645, 117174, 123015, 138027, 195290, 230045, 246030, 276054, 292935, 460090, 585870, 690135, 1380270, 2714531, 5429062, 8143593, 13572655, 16287186, 27145310, 40717965, 81435930]

約数ペア:

[(1, 81435930), (2, 40717965), (3, 27145310), (5, 16287186), (6, 13572655), (10, 8143593), (15, 5429062), (30, 2714531), (59, 1380270), (118, 690135), (139, 585870), (177, 460090), (278, 292935), (295, 276054), (331, 246030), (354, 230045), (417, 195290), (590, 138027), (662, 123015), (695, 117174), (834, 97645), (885, 92018), (993, 82010), (1390, 58587), (1655, 49206), (1770, 46009), (1986, 41005), (2085, 39058), (3310, 24603), (4170, 19529), (4965, 16402), (8201, 9930)]