28322640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 96139680

約数和(自身を除く): 67817040

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, 283, 360, 417, 556, 566, 695, 720, 834, 849, 1112, 1132, 1251, 1390, 1415, 1668, 1698, 2085, 2224, 2264, 2502, 2547, 2780, 2830, 3336, 3396, 4170, 4245, 4528, 5004, 5094, 5560, 5660, 6255, 6672, 6792, 8340, 8490, 10008, 10188, 11120, 11320, 12510, 12735, 13584, 16680, 16980, 20016, 20376, 22640, 25020, 25470, 33360, 33960, 39337, 40752, 50040, 50940, 67920, 78674, 100080, 101880, 118011, 157348, 196685, 203760, 236022, 314696, 354033, 393370, 472044, 590055, 629392, 708066, 786740, 944088, 1180110, 1416132, 1573480, 1770165, 1888176, 2360220, 2832264, 3146960, 3540330, 4720440, 5664528, 7080660, 9440880, 14161320, 28322640]

約数ペア:

[(1, 28322640), (2, 14161320), (3, 9440880), (4, 7080660), (5, 5664528), (6, 4720440), (8, 3540330), (9, 3146960), (10, 2832264), (12, 2360220), (15, 1888176), (16, 1770165), (18, 1573480), (20, 1416132), (24, 1180110), (30, 944088), (36, 786740), (40, 708066), (45, 629392), (48, 590055), (60, 472044), (72, 393370), (80, 354033), (90, 314696), (120, 236022), (139, 203760), (144, 196685), (180, 157348), (240, 118011), (278, 101880), (283, 100080), (360, 78674), (417, 67920), (556, 50940), (566, 50040), (695, 40752), (720, 39337), (834, 33960), (849, 33360), (1112, 25470), (1132, 25020), (1251, 22640), (1390, 20376), (1415, 20016), (1668, 16980), (1698, 16680), (2085, 13584), (2224, 12735), (2264, 12510), (2502, 11320), (2547, 11120), (2780, 10188), (2830, 10008), (3336, 8490), (3396, 8340), (4170, 6792), (4245, 6672), (4528, 6255), (5004, 5660), (5094, 5560)]