78817760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70373}}^1$

素因数の和:70395

約数の個数: 48

約数和(自身を含む): 212810976

約数和(自身を除く): 133993216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70373, 140746, 281492, 351865, 492611, 562984, 703730, 985222, 1125968, 1407460, 1970444, 2251936, 2463055, 2814920, 3940888, 4926110, 5629840, 7881776, 9852220, 11259680, 15763552, 19704440, 39408880, 78817760]

約数ペア:

[(1, 78817760), (2, 39408880), (4, 19704440), (5, 15763552), (7, 11259680), (8, 9852220), (10, 7881776), (14, 5629840), (16, 4926110), (20, 3940888), (28, 2814920), (32, 2463055), (35, 2251936), (40, 1970444), (56, 1407460), (70, 1125968), (80, 985222), (112, 703730), (140, 562984), (160, 492611), (224, 351865), (280, 281492), (560, 140746), (1120, 70373)]