65460920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 169041600

約数和(自身を除く): 103580680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 601, 778, 1202, 1556, 1945, 2404, 2723, 3005, 3112, 3890, 4207, 4808, 5446, 6010, 7780, 8414, 10892, 12020, 13615, 15560, 16828, 21035, 21784, 24040, 27230, 33656, 42070, 54460, 84140, 108920, 168280, 233789, 467578, 935156, 1168945, 1636523, 1870312, 2337890, 3273046, 4675780, 6546092, 8182615, 9351560, 13092184, 16365230, 32730460, 65460920]

約数ペア:

[(1, 65460920), (2, 32730460), (4, 16365230), (5, 13092184), (7, 9351560), (8, 8182615), (10, 6546092), (14, 4675780), (20, 3273046), (28, 2337890), (35, 1870312), (40, 1636523), (56, 1168945), (70, 935156), (140, 467578), (280, 233789), (389, 168280), (601, 108920), (778, 84140), (1202, 54460), (1556, 42070), (1945, 33656), (2404, 27230), (2723, 24040), (3005, 21784), (3112, 21035), (3890, 16828), (4207, 15560), (4808, 13615), (5446, 12020), (6010, 10892), (7780, 8414)]