861630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 2585088

約数和(自身を除く): 1723458

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, 154, 165, 210, 231, 330, 373, 385, 462, 746, 770, 1119, 1155, 1865, 2238, 2310, 2611, 3730, 4103, 5222, 5595, 7833, 8206, 11190, 12309, 13055, 15666, 20515, 24618, 26110, 28721, 39165, 41030, 57442, 61545, 78330, 86163, 123090, 143605, 172326, 287210, 430815, 861630]

約数ペア:

[(1, 861630), (2, 430815), (3, 287210), (5, 172326), (6, 143605), (7, 123090), (10, 86163), (11, 78330), (14, 61545), (15, 57442), (21, 41030), (22, 39165), (30, 28721), (33, 26110), (35, 24618), (42, 20515), (55, 15666), (66, 13055), (70, 12309), (77, 11190), (105, 8206), (110, 7833), (154, 5595), (165, 5222), (210, 4103), (231, 3730), (330, 2611), (373, 2310), (385, 2238), (462, 1865), (746, 1155), (770, 1119)]