680988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 2025856

約数和(自身を除く): 1344868

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 67, 77, 84, 121, 132, 134, 154, 201, 231, 242, 268, 308, 363, 402, 462, 469, 484, 726, 737, 804, 847, 924, 938, 1407, 1452, 1474, 1694, 1876, 2211, 2541, 2814, 2948, 3388, 4422, 5082, 5159, 5628, 8107, 8844, 10164, 10318, 15477, 16214, 20636, 24321, 30954, 32428, 48642, 56749, 61908, 97284, 113498, 170247, 226996, 340494, 680988]

約数ペア:

[(1, 680988), (2, 340494), (3, 226996), (4, 170247), (6, 113498), (7, 97284), (11, 61908), (12, 56749), (14, 48642), (21, 32428), (22, 30954), (28, 24321), (33, 20636), (42, 16214), (44, 15477), (66, 10318), (67, 10164), (77, 8844), (84, 8107), (121, 5628), (132, 5159), (134, 5082), (154, 4422), (201, 3388), (231, 2948), (242, 2814), (268, 2541), (308, 2211), (363, 1876), (402, 1694), (462, 1474), (469, 1452), (484, 1407), (726, 938), (737, 924), (804, 847)]