660972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 1756160

約数和(自身を除く): 1095188

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 223, 228, 247, 446, 494, 669, 741, 892, 988, 1338, 1482, 2676, 2899, 2964, 4237, 5798, 8474, 8697, 11596, 12711, 16948, 17394, 25422, 34788, 50844, 55081, 110162, 165243, 220324, 330486, 660972]

約数ペア:

[(1, 660972), (2, 330486), (3, 220324), (4, 165243), (6, 110162), (12, 55081), (13, 50844), (19, 34788), (26, 25422), (38, 17394), (39, 16948), (52, 12711), (57, 11596), (76, 8697), (78, 8474), (114, 5798), (156, 4237), (223, 2964), (228, 2899), (247, 2676), (446, 1482), (494, 1338), (669, 988), (741, 892)]