72862640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 103911760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 359, 430, 472, 590, 688, 718, 860, 944, 1180, 1436, 1720, 1795, 2360, 2537, 2872, 3440, 3590, 4720, 5074, 5744, 7180, 10148, 12685, 14360, 15437, 20296, 21181, 25370, 28720, 30874, 40592, 42362, 50740, 61748, 77185, 84724, 101480, 105905, 123496, 154370, 169448, 202960, 211810, 246992, 308740, 338896, 423620, 617480, 847240, 910783, 1234960, 1694480, 1821566, 3643132, 4553915, 7286264, 9107830, 14572528, 18215660, 36431320, 72862640]

約数ペア:

[(1, 72862640), (2, 36431320), (4, 18215660), (5, 14572528), (8, 9107830), (10, 7286264), (16, 4553915), (20, 3643132), (40, 1821566), (43, 1694480), (59, 1234960), (80, 910783), (86, 847240), (118, 617480), (172, 423620), (215, 338896), (236, 308740), (295, 246992), (344, 211810), (359, 202960), (430, 169448), (472, 154370), (590, 123496), (688, 105905), (718, 101480), (860, 84724), (944, 77185), (1180, 61748), (1436, 50740), (1720, 42362), (1795, 40592), (2360, 30874), (2537, 28720), (2872, 25370), (3440, 21181), (3590, 20296), (4720, 15437), (5074, 14360), (5744, 12685), (7180, 10148)]