231990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 64

約数和(自身を含む): 656640

約数和(自身を除く): 424650

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 37, 38, 55, 57, 66, 74, 95, 110, 111, 114, 165, 185, 190, 209, 222, 285, 330, 370, 407, 418, 555, 570, 627, 703, 814, 1045, 1110, 1221, 1254, 1406, 2035, 2090, 2109, 2442, 3135, 3515, 4070, 4218, 6105, 6270, 7030, 7733, 10545, 12210, 15466, 21090, 23199, 38665, 46398, 77330, 115995, 231990]

約数ペア:

[(1, 231990), (2, 115995), (3, 77330), (5, 46398), (6, 38665), (10, 23199), (11, 21090), (15, 15466), (19, 12210), (22, 10545), (30, 7733), (33, 7030), (37, 6270), (38, 6105), (55, 4218), (57, 4070), (66, 3515), (74, 3135), (95, 2442), (110, 2109), (111, 2090), (114, 2035), (165, 1406), (185, 1254), (190, 1221), (209, 1110), (222, 1045), (285, 814), (330, 703), (370, 627), (407, 570), (418, 555)]