1285497780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{4993}}^1$

素因数の和:5625

約数の個数: 96

約数和(自身を含む): 4121128704

約数和(自身を除く): 2835630924

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, 613, 1226, 1839, 2452, 3065, 3678, 4291, 4993, 6130, 7356, 8582, 9195, 9986, 12260, 12873, 14979, 17164, 18390, 19972, 21455, 24965, 25746, 29958, 34951, 36780, 42910, 49930, 51492, 59916, 64365, 69902, 74895, 85820, 99860, 104853, 128730, 139804, 149790, 174755, 209706, 257460, 299580, 349510, 419412, 524265, 699020, 1048530, 2097060, 3060709, 6121418, 9182127, 12242836, 15303545, 18364254, 21424963, 30607090, 36728508, 42849926, 45910635, 61214180, 64274889, 85699852, 91821270, 107124815, 128549778, 183642540, 214249630, 257099556, 321374445, 428499260, 642748890, 1285497780]

約数ペア:

[(1, 1285497780), (2, 642748890), (3, 428499260), (4, 321374445), (5, 257099556), (6, 214249630), (7, 183642540), (10, 128549778), (12, 107124815), (14, 91821270), (15, 85699852), (20, 64274889), (21, 61214180), (28, 45910635), (30, 42849926), (35, 36728508), (42, 30607090), (60, 21424963), (70, 18364254), (84, 15303545), (105, 12242836), (140, 9182127), (210, 6121418), (420, 3060709), (613, 2097060), (1226, 1048530), (1839, 699020), (2452, 524265), (3065, 419412), (3678, 349510), (4291, 299580), (4993, 257460), (6130, 209706), (7356, 174755), (8582, 149790), (9195, 139804), (9986, 128730), (12260, 104853), (12873, 99860), (14979, 85820), (17164, 74895), (18390, 69902), (19972, 64365), (21455, 59916), (24965, 51492), (25746, 49930), (29958, 42910), (34951, 36780)]