690147180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{7873}}^1$

素因数の和:8375

約数の個数: 72

約数和(自身を含む): 2098011552

約数和(自身を除く): 1407864372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 7873, 8766, 9740, 14610, 15746, 17532, 21915, 23619, 29220, 31492, 39365, 43830, 47238, 70857, 78730, 87660, 94476, 118095, 141714, 157460, 236190, 283428, 354285, 472380, 708570, 1417140, 3834151, 7668302, 11502453, 15336604, 19170755, 23004906, 34507359, 38341510, 46009812, 57512265, 69014718, 76683020, 115024530, 138029436, 172536795, 230049060, 345073590, 690147180]

約数ペア:

[(1, 690147180), (2, 345073590), (3, 230049060), (4, 172536795), (5, 138029436), (6, 115024530), (9, 76683020), (10, 69014718), (12, 57512265), (15, 46009812), (18, 38341510), (20, 34507359), (30, 23004906), (36, 19170755), (45, 15336604), (60, 11502453), (90, 7668302), (180, 3834151), (487, 1417140), (974, 708570), (1461, 472380), (1948, 354285), (2435, 283428), (2922, 236190), (4383, 157460), (4870, 141714), (5844, 118095), (7305, 94476), (7873, 87660), (8766, 78730), (9740, 70857), (14610, 47238), (15746, 43830), (17532, 39365), (21915, 31492), (23619, 29220)]