428642640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4283}}^1$

素因数の和:4441

約数の個数: 120

約数和(自身を含む): 1450219680

約数和(自身を除く): 1021577040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 2085, 2224, 2502, 2780, 3336, 4170, 4283, 5004, 5560, 6255, 6672, 8340, 8566, 10008, 11120, 12510, 12849, 16680, 17132, 20016, 21415, 25020, 25698, 33360, 34264, 38547, 42830, 50040, 51396, 64245, 68528, 77094, 85660, 100080, 102792, 128490, 154188, 171320, 192735, 205584, 256980, 308376, 342640, 385470, 513960, 595337, 616752, 770940, 1027920, 1190674, 1541880, 1786011, 2381348, 2976685, 3083760, 3572022, 4762696, 5358033, 5953370, 7144044, 8930055, 9525392, 10716066, 11906740, 14288088, 17860110, 21432132, 23813480, 26790165, 28576176, 35720220, 42864264, 47626960, 53580330, 71440440, 85728528, 107160660, 142880880, 214321320, 428642640]

約数ペア:

[(1, 428642640), (2, 214321320), (3, 142880880), (4, 107160660), (5, 85728528), (6, 71440440), (8, 53580330), (9, 47626960), (10, 42864264), (12, 35720220), (15, 28576176), (16, 26790165), (18, 23813480), (20, 21432132), (24, 17860110), (30, 14288088), (36, 11906740), (40, 10716066), (45, 9525392), (48, 8930055), (60, 7144044), (72, 5953370), (80, 5358033), (90, 4762696), (120, 3572022), (139, 3083760), (144, 2976685), (180, 2381348), (240, 1786011), (278, 1541880), (360, 1190674), (417, 1027920), (556, 770940), (695, 616752), (720, 595337), (834, 513960), (1112, 385470), (1251, 342640), (1390, 308376), (1668, 256980), (2085, 205584), (2224, 192735), (2502, 171320), (2780, 154188), (3336, 128490), (4170, 102792), (4283, 100080), (5004, 85660), (5560, 77094), (6255, 68528), (6672, 64245), (8340, 51396), (8566, 50040), (10008, 42830), (11120, 38547), (12510, 34264), (12849, 33360), (16680, 25698), (17132, 25020), (20016, 21415)]