57028920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 186278400

約数和(自身を除く): 129249480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 195, 260, 263, 278, 312, 390, 417, 520, 526, 556, 695, 780, 789, 834, 1052, 1112, 1315, 1390, 1560, 1578, 1668, 1807, 2085, 2104, 2630, 2780, 3156, 3336, 3419, 3614, 3945, 4170, 5260, 5421, 5560, 6312, 6838, 7228, 7890, 8340, 9035, 10257, 10520, 10842, 13676, 14456, 15780, 16680, 17095, 18070, 20514, 21684, 27105, 27352, 31560, 34190, 36140, 36557, 41028, 43368, 51285, 54210, 68380, 72280, 73114, 82056, 102570, 108420, 109671, 136760, 146228, 182785, 205140, 216840, 219342, 292456, 365570, 410280, 438684, 475241, 548355, 731140, 877368, 950482, 1096710, 1425723, 1462280, 1900964, 2193420, 2376205, 2851446, 3801928, 4386840, 4752410, 5702892, 7128615, 9504820, 11405784, 14257230, 19009640, 28514460, 57028920]

約数ペア:

[(1, 57028920), (2, 28514460), (3, 19009640), (4, 14257230), (5, 11405784), (6, 9504820), (8, 7128615), (10, 5702892), (12, 4752410), (13, 4386840), (15, 3801928), (20, 2851446), (24, 2376205), (26, 2193420), (30, 1900964), (39, 1462280), (40, 1425723), (52, 1096710), (60, 950482), (65, 877368), (78, 731140), (104, 548355), (120, 475241), (130, 438684), (139, 410280), (156, 365570), (195, 292456), (260, 219342), (263, 216840), (278, 205140), (312, 182785), (390, 146228), (417, 136760), (520, 109671), (526, 108420), (556, 102570), (695, 82056), (780, 73114), (789, 72280), (834, 68380), (1052, 54210), (1112, 51285), (1315, 43368), (1390, 41028), (1560, 36557), (1578, 36140), (1668, 34190), (1807, 31560), (2085, 27352), (2104, 27105), (2630, 21684), (2780, 20514), (3156, 18070), (3336, 17095), (3419, 16680), (3614, 15780), (3945, 14456), (4170, 13676), (5260, 10842), (5421, 10520), (5560, 10257), (6312, 9035), (6838, 8340), (7228, 7890)]