215262540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3613}}^1$

素因数の和:3959

約数の個数: 72

約数和(自身を含む): 655117008

約数和(自身を除く): 439854468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3613, 3972, 4965, 5958, 6620, 7226, 9930, 10839, 11916, 14452, 14895, 18065, 19860, 21678, 29790, 32517, 36130, 43356, 54195, 59580, 65034, 72260, 108390, 130068, 162585, 216780, 325170, 650340, 1195903, 2391806, 3587709, 4783612, 5979515, 7175418, 10763127, 11959030, 14350836, 17938545, 21526254, 23918060, 35877090, 43052508, 53815635, 71754180, 107631270, 215262540]

約数ペア:

[(1, 215262540), (2, 107631270), (3, 71754180), (4, 53815635), (5, 43052508), (6, 35877090), (9, 23918060), (10, 21526254), (12, 17938545), (15, 14350836), (18, 11959030), (20, 10763127), (30, 7175418), (36, 5979515), (45, 4783612), (60, 3587709), (90, 2391806), (180, 1195903), (331, 650340), (662, 325170), (993, 216780), (1324, 162585), (1655, 130068), (1986, 108390), (2979, 72260), (3310, 65034), (3613, 59580), (3972, 54195), (4965, 43356), (5958, 36130), (6620, 32517), (7226, 29790), (9930, 21678), (10839, 19860), (11916, 18065), (14452, 14895)]