84129920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 233539200

約数和(自身を除く): 149409280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 211, 224, 280, 320, 356, 422, 445, 448, 560, 623, 640, 712, 844, 890, 896, 1055, 1120, 1246, 1424, 1477, 1688, 1780, 2110, 2240, 2492, 2848, 2954, 3115, 3376, 3560, 4220, 4480, 4984, 5696, 5908, 6230, 6752, 7120, 7385, 8440, 9968, 11392, 11816, 12460, 13504, 14240, 14770, 16880, 18779, 19936, 23632, 24920, 27008, 28480, 29540, 33760, 37558, 39872, 47264, 49840, 56960, 59080, 67520, 75116, 79744, 93895, 94528, 99680, 118160, 131453, 135040, 150232, 187790, 189056, 199360, 236320, 262906, 300464, 375580, 398720, 472640, 525812, 600928, 657265, 751160, 945280, 1051624, 1201856, 1314530, 1502320, 2103248, 2403712, 2629060, 3004640, 4206496, 5258120, 6009280, 8412992, 10516240, 12018560, 16825984, 21032480, 42064960, 84129920]

約数ペア:

[(1, 84129920), (2, 42064960), (4, 21032480), (5, 16825984), (7, 12018560), (8, 10516240), (10, 8412992), (14, 6009280), (16, 5258120), (20, 4206496), (28, 3004640), (32, 2629060), (35, 2403712), (40, 2103248), (56, 1502320), (64, 1314530), (70, 1201856), (80, 1051624), (89, 945280), (112, 751160), (128, 657265), (140, 600928), (160, 525812), (178, 472640), (211, 398720), (224, 375580), (280, 300464), (320, 262906), (356, 236320), (422, 199360), (445, 189056), (448, 187790), (560, 150232), (623, 135040), (640, 131453), (712, 118160), (844, 99680), (890, 94528), (896, 93895), (1055, 79744), (1120, 75116), (1246, 67520), (1424, 59080), (1477, 56960), (1688, 49840), (1780, 47264), (2110, 39872), (2240, 37558), (2492, 33760), (2848, 29540), (2954, 28480), (3115, 27008), (3376, 24920), (3560, 23632), (4220, 19936), (4480, 18779), (4984, 16880), (5696, 14770), (5908, 14240), (6230, 13504), (6752, 12460), (7120, 11816), (7385, 11392), (8440, 9968)]