1977780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 6725376

約数和(自身を除く): 4747596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 277, 340, 357, 420, 476, 510, 554, 595, 714, 831, 1020, 1108, 1190, 1385, 1428, 1662, 1785, 1939, 2380, 2770, 3324, 3570, 3878, 4155, 4709, 5540, 5817, 7140, 7756, 8310, 9418, 9695, 11634, 14127, 16620, 18836, 19390, 23268, 23545, 28254, 29085, 32963, 38780, 47090, 56508, 58170, 65926, 70635, 94180, 98889, 116340, 131852, 141270, 164815, 197778, 282540, 329630, 395556, 494445, 659260, 988890, 1977780]

約数ペア:

[(1, 1977780), (2, 988890), (3, 659260), (4, 494445), (5, 395556), (6, 329630), (7, 282540), (10, 197778), (12, 164815), (14, 141270), (15, 131852), (17, 116340), (20, 98889), (21, 94180), (28, 70635), (30, 65926), (34, 58170), (35, 56508), (42, 47090), (51, 38780), (60, 32963), (68, 29085), (70, 28254), (84, 23545), (85, 23268), (102, 19390), (105, 18836), (119, 16620), (140, 14127), (170, 11634), (204, 9695), (210, 9418), (238, 8310), (255, 7756), (277, 7140), (340, 5817), (357, 5540), (420, 4709), (476, 4155), (510, 3878), (554, 3570), (595, 3324), (714, 2770), (831, 2380), (1020, 1939), (1108, 1785), (1190, 1662), (1385, 1428)]