204545760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1783}}^1$

素因数の和:2040

約数の個数: 96

約数和(自身を含む): 647377920

約数和(自身を除く): 442832160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 239, 240, 478, 480, 717, 956, 1195, 1434, 1783, 1912, 2390, 2868, 3566, 3585, 3824, 4780, 5349, 5736, 7132, 7170, 7648, 8915, 9560, 10698, 11472, 14264, 14340, 17830, 19120, 21396, 22944, 26745, 28528, 28680, 35660, 38240, 42792, 53490, 57056, 57360, 71320, 85584, 106980, 114720, 142640, 171168, 213960, 285280, 426137, 427920, 852274, 855840, 1278411, 1704548, 2130685, 2556822, 3409096, 4261370, 5113644, 6392055, 6818192, 8522740, 10227288, 12784110, 13636384, 17045480, 20454576, 25568220, 34090960, 40909152, 51136440, 68181920, 102272880, 204545760]

約数ペア:

[(1, 204545760), (2, 102272880), (3, 68181920), (4, 51136440), (5, 40909152), (6, 34090960), (8, 25568220), (10, 20454576), (12, 17045480), (15, 13636384), (16, 12784110), (20, 10227288), (24, 8522740), (30, 6818192), (32, 6392055), (40, 5113644), (48, 4261370), (60, 3409096), (80, 2556822), (96, 2130685), (120, 1704548), (160, 1278411), (239, 855840), (240, 852274), (478, 427920), (480, 426137), (717, 285280), (956, 213960), (1195, 171168), (1434, 142640), (1783, 114720), (1912, 106980), (2390, 85584), (2868, 71320), (3566, 57360), (3585, 57056), (3824, 53490), (4780, 42792), (5349, 38240), (5736, 35660), (7132, 28680), (7170, 28528), (7648, 26745), (8915, 22944), (9560, 21396), (10698, 19120), (11472, 17830), (14264, 14340)]