261030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 787968

約数和(自身を除く): 526938

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 113, 154, 165, 210, 226, 231, 330, 339, 385, 462, 565, 678, 770, 791, 1130, 1155, 1243, 1582, 1695, 2310, 2373, 2486, 3390, 3729, 3955, 4746, 6215, 7458, 7910, 8701, 11865, 12430, 17402, 18645, 23730, 26103, 37290, 43505, 52206, 87010, 130515, 261030]

約数ペア:

[(1, 261030), (2, 130515), (3, 87010), (5, 52206), (6, 43505), (7, 37290), (10, 26103), (11, 23730), (14, 18645), (15, 17402), (21, 12430), (22, 11865), (30, 8701), (33, 7910), (35, 7458), (42, 6215), (55, 4746), (66, 3955), (70, 3729), (77, 3390), (105, 2486), (110, 2373), (113, 2310), (154, 1695), (165, 1582), (210, 1243), (226, 1155), (231, 1130), (330, 791), (339, 770), (385, 678), (462, 565)]