1520343881

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 2027520000

約数和(自身を除く): 507176119

約数列:

[1, 7, 17, 19, 31, 109, 119, 133, 199, 217, 323, 527, 589, 763, 1393, 1853, 2071, 2261, 3379, 3383, 3689, 3781, 4123, 6169, 10013, 12971, 14497, 21691, 23653, 23681, 26467, 35207, 43183, 57443, 64201, 64277, 70091, 104873, 117211, 151837, 246449, 368747, 402101, 412129, 449407, 449939, 672421, 734111, 820477, 1091417, 1992587, 2581229, 2884903, 4706947, 7006193, 7639919, 11431157, 12775999, 13948109, 49043351, 80018099, 89431993, 217191983, 1520343881]

約数ペア:

[(1, 1520343881), (7, 217191983), (17, 89431993), (19, 80018099), (31, 49043351), (109, 13948109), (119, 12775999), (133, 11431157), (199, 7639919), (217, 7006193), (323, 4706947), (527, 2884903), (589, 2581229), (763, 1992587), (1393, 1091417), (1853, 820477), (2071, 734111), (2261, 672421), (3379, 449939), (3383, 449407), (3689, 412129), (3781, 402101), (4123, 368747), (6169, 246449), (10013, 151837), (12971, 117211), (14497, 104873), (21691, 70091), (23653, 64277), (23681, 64201), (26467, 57443), (35207, 43183)]