280860090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1716

約数の個数: 128

約数和(自身を含む): 830269440

約数和(自身を除く): 549409350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 43, 57, 70, 86, 95, 105, 114, 129, 133, 190, 210, 215, 258, 266, 285, 301, 399, 430, 570, 602, 645, 665, 798, 817, 903, 1290, 1330, 1505, 1634, 1637, 1806, 1995, 2451, 3010, 3274, 3990, 4085, 4515, 4902, 4911, 5719, 8170, 8185, 9030, 9822, 11438, 11459, 12255, 16370, 17157, 22918, 24510, 24555, 28595, 31103, 34314, 34377, 49110, 57190, 57295, 62206, 68754, 70391, 85785, 93309, 114590, 140782, 155515, 171570, 171885, 186618, 211173, 217721, 311030, 343770, 351955, 422346, 435442, 466545, 492737, 653163, 703910, 933090, 985474, 1055865, 1088605, 1306326, 1337429, 1478211, 2111730, 2177210, 2463685, 2674858, 2956422, 3265815, 4012287, 4927370, 6531630, 6687145, 7391055, 8024574, 9362003, 13374290, 14782110, 18724006, 20061435, 28086009, 40122870, 46810015, 56172018, 93620030, 140430045, 280860090]

約数ペア:

[(1, 280860090), (2, 140430045), (3, 93620030), (5, 56172018), (6, 46810015), (7, 40122870), (10, 28086009), (14, 20061435), (15, 18724006), (19, 14782110), (21, 13374290), (30, 9362003), (35, 8024574), (38, 7391055), (42, 6687145), (43, 6531630), (57, 4927370), (70, 4012287), (86, 3265815), (95, 2956422), (105, 2674858), (114, 2463685), (129, 2177210), (133, 2111730), (190, 1478211), (210, 1337429), (215, 1306326), (258, 1088605), (266, 1055865), (285, 985474), (301, 933090), (399, 703910), (430, 653163), (570, 492737), (602, 466545), (645, 435442), (665, 422346), (798, 351955), (817, 343770), (903, 311030), (1290, 217721), (1330, 211173), (1505, 186618), (1634, 171885), (1637, 171570), (1806, 155515), (1995, 140782), (2451, 114590), (3010, 93309), (3274, 85785), (3990, 70391), (4085, 68754), (4515, 62206), (4902, 57295), (4911, 57190), (5719, 49110), (8170, 34377), (8185, 34314), (9030, 31103), (9822, 28595), (11438, 24555), (11459, 24510), (12255, 22918), (16370, 17157)]