78099280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1567}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 209986560

約数和(自身を除く): 131887280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1567, 1780, 2492, 3115, 3134, 3560, 4984, 6230, 6268, 7120, 7835, 9968, 10969, 12460, 12536, 15670, 21938, 24920, 25072, 31340, 43876, 49840, 54845, 62680, 87752, 109690, 125360, 139463, 175504, 219380, 278926, 438760, 557852, 697315, 877520, 976241, 1115704, 1394630, 1952482, 2231408, 2789260, 3904964, 4881205, 5578520, 7809928, 9762410, 11157040, 15619856, 19524820, 39049640, 78099280]

約数ペア:

[(1, 78099280), (2, 39049640), (4, 19524820), (5, 15619856), (7, 11157040), (8, 9762410), (10, 7809928), (14, 5578520), (16, 4881205), (20, 3904964), (28, 2789260), (35, 2231408), (40, 1952482), (56, 1394630), (70, 1115704), (80, 976241), (89, 877520), (112, 697315), (140, 557852), (178, 438760), (280, 278926), (356, 219380), (445, 175504), (560, 139463), (623, 125360), (712, 109690), (890, 87752), (1246, 62680), (1424, 54845), (1567, 49840), (1780, 43876), (2492, 31340), (3115, 25072), (3134, 24920), (3560, 21938), (4984, 15670), (6230, 12536), (6268, 12460), (7120, 10969), (7835, 9968)]