130921840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 349352640

約数和(自身を除く): 218430800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 601, 778, 1202, 1556, 1945, 2404, 2723, 3005, 3112, 3890, 4207, 4808, 5446, 6010, 6224, 7780, 8414, 9616, 10892, 12020, 13615, 15560, 16828, 21035, 21784, 24040, 27230, 31120, 33656, 42070, 43568, 48080, 54460, 67312, 84140, 108920, 168280, 217840, 233789, 336560, 467578, 935156, 1168945, 1636523, 1870312, 2337890, 3273046, 3740624, 4675780, 6546092, 8182615, 9351560, 13092184, 16365230, 18703120, 26184368, 32730460, 65460920, 130921840]

約数ペア:

[(1, 130921840), (2, 65460920), (4, 32730460), (5, 26184368), (7, 18703120), (8, 16365230), (10, 13092184), (14, 9351560), (16, 8182615), (20, 6546092), (28, 4675780), (35, 3740624), (40, 3273046), (56, 2337890), (70, 1870312), (80, 1636523), (112, 1168945), (140, 935156), (280, 467578), (389, 336560), (560, 233789), (601, 217840), (778, 168280), (1202, 108920), (1556, 84140), (1945, 67312), (2404, 54460), (2723, 48080), (3005, 43568), (3112, 42070), (3890, 33656), (4207, 31120), (4808, 27230), (5446, 24040), (6010, 21784), (6224, 21035), (7780, 16828), (8414, 15560), (9616, 13615), (10892, 12020)]