28155840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 112

約数和(自身を含む): 90464640

約数和(自身を除く): 62308800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 211, 240, 278, 320, 417, 422, 480, 556, 633, 695, 834, 844, 960, 1055, 1112, 1266, 1390, 1668, 1688, 2085, 2110, 2224, 2532, 2780, 3165, 3336, 3376, 4170, 4220, 4448, 5064, 5560, 6330, 6672, 6752, 8340, 8440, 8896, 10128, 11120, 12660, 13344, 13504, 16680, 16880, 20256, 22240, 25320, 26688, 29329, 33360, 33760, 40512, 44480, 50640, 58658, 66720, 67520, 87987, 101280, 117316, 133440, 146645, 175974, 202560, 234632, 293290, 351948, 439935, 469264, 586580, 703896, 879870, 938528, 1173160, 1407792, 1759740, 1877056, 2346320, 2815584, 3519480, 4692640, 5631168, 7038960, 9385280, 14077920, 28155840]

約数ペア:

[(1, 28155840), (2, 14077920), (3, 9385280), (4, 7038960), (5, 5631168), (6, 4692640), (8, 3519480), (10, 2815584), (12, 2346320), (15, 1877056), (16, 1759740), (20, 1407792), (24, 1173160), (30, 938528), (32, 879870), (40, 703896), (48, 586580), (60, 469264), (64, 439935), (80, 351948), (96, 293290), (120, 234632), (139, 202560), (160, 175974), (192, 146645), (211, 133440), (240, 117316), (278, 101280), (320, 87987), (417, 67520), (422, 66720), (480, 58658), (556, 50640), (633, 44480), (695, 40512), (834, 33760), (844, 33360), (960, 29329), (1055, 26688), (1112, 25320), (1266, 22240), (1390, 20256), (1668, 16880), (1688, 16680), (2085, 13504), (2110, 13344), (2224, 12660), (2532, 11120), (2780, 10128), (3165, 8896), (3336, 8440), (3376, 8340), (4170, 6752), (4220, 6672), (4448, 6330), (5064, 5560)]