215199520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1098

約数の個数: 96

約数和(自身を含む): 537546240

約数和(自身を除く): 322346720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 992, 1009, 1240, 1333, 1376, 1720, 2018, 2480, 2666, 3440, 4036, 4960, 5045, 5332, 6665, 6880, 8072, 10090, 10664, 13330, 16144, 20180, 21328, 26660, 31279, 32288, 40360, 42656, 43387, 53320, 62558, 80720, 86774, 106640, 125116, 156395, 161440, 173548, 213280, 216935, 250232, 312790, 347096, 433870, 500464, 625580, 694192, 867740, 1000928, 1251160, 1344997, 1388384, 1735480, 2502320, 2689994, 3470960, 5004640, 5379988, 6724985, 6941920, 10759976, 13449970, 21519952, 26899940, 43039904, 53799880, 107599760, 215199520]

約数ペア:

[(1, 215199520), (2, 107599760), (4, 53799880), (5, 43039904), (8, 26899940), (10, 21519952), (16, 13449970), (20, 10759976), (31, 6941920), (32, 6724985), (40, 5379988), (43, 5004640), (62, 3470960), (80, 2689994), (86, 2502320), (124, 1735480), (155, 1388384), (160, 1344997), (172, 1251160), (215, 1000928), (248, 867740), (310, 694192), (344, 625580), (430, 500464), (496, 433870), (620, 347096), (688, 312790), (860, 250232), (992, 216935), (1009, 213280), (1240, 173548), (1333, 161440), (1376, 156395), (1720, 125116), (2018, 106640), (2480, 86774), (2666, 80720), (3440, 62558), (4036, 53320), (4960, 43387), (5045, 42656), (5332, 40360), (6665, 32288), (6880, 31279), (8072, 26660), (10090, 21328), (10664, 20180), (13330, 16144)]