71767920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42719}}^1$

素因数の和:42742

約数の個数: 80

約数和(自身を含む): 254269440

約数和(自身を除く): 182501520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42719, 85438, 128157, 170876, 213595, 256314, 299033, 341752, 427190, 512628, 598066, 640785, 683504, 854380, 897099, 1025256, 1196132, 1281570, 1495165, 1708760, 1794198, 2050512, 2392264, 2563140, 2990330, 3417520, 3588396, 4485495, 4784528, 5126280, 5980660, 7176792, 8970990, 10252560, 11961320, 14353584, 17941980, 23922640, 35883960, 71767920]

約数ペア:

[(1, 71767920), (2, 35883960), (3, 23922640), (4, 17941980), (5, 14353584), (6, 11961320), (7, 10252560), (8, 8970990), (10, 7176792), (12, 5980660), (14, 5126280), (15, 4784528), (16, 4485495), (20, 3588396), (21, 3417520), (24, 2990330), (28, 2563140), (30, 2392264), (35, 2050512), (40, 1794198), (42, 1708760), (48, 1495165), (56, 1281570), (60, 1196132), (70, 1025256), (80, 897099), (84, 854380), (105, 683504), (112, 640785), (120, 598066), (140, 512628), (168, 427190), (210, 341752), (240, 299033), (280, 256314), (336, 213595), (420, 170876), (560, 128157), (840, 85438), (1680, 42719)]