2788440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 8812800

約数和(自身を除く): 6024360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 1223, 2280, 2446, 3669, 4892, 6115, 7338, 9784, 12230, 14676, 18345, 23237, 24460, 29352, 36690, 46474, 48920, 69711, 73380, 92948, 116185, 139422, 146760, 185896, 232370, 278844, 348555, 464740, 557688, 697110, 929480, 1394220, 2788440]

約数ペア:

[(1, 2788440), (2, 1394220), (3, 929480), (4, 697110), (5, 557688), (6, 464740), (8, 348555), (10, 278844), (12, 232370), (15, 185896), (19, 146760), (20, 139422), (24, 116185), (30, 92948), (38, 73380), (40, 69711), (57, 48920), (60, 46474), (76, 36690), (95, 29352), (114, 24460), (120, 23237), (152, 18345), (190, 14676), (228, 12230), (285, 9784), (380, 7338), (456, 6115), (570, 4892), (760, 3669), (1140, 2446), (1223, 2280)]