128000460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304763}}^1$

素因数の和:304782

約数の個数: 48

約数和(自身を含む): 409602816

約数和(自身を除く): 281602356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 304763, 609526, 914289, 1219052, 1523815, 1828578, 2133341, 3047630, 3657156, 4266682, 4571445, 6095260, 6400023, 8533364, 9142890, 10666705, 12800046, 18285780, 21333410, 25600092, 32000115, 42666820, 64000230, 128000460]

約数ペア:

[(1, 128000460), (2, 64000230), (3, 42666820), (4, 32000115), (5, 25600092), (6, 21333410), (7, 18285780), (10, 12800046), (12, 10666705), (14, 9142890), (15, 8533364), (20, 6400023), (21, 6095260), (28, 4571445), (30, 4266682), (35, 3657156), (42, 3047630), (60, 2133341), (70, 1828578), (84, 1523815), (105, 1219052), (140, 914289), (210, 609526), (420, 304763)]