221994240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4484

約数の個数: 144

約数和(自身を含む): 763703808

約数和(自身を除く): 541709568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4447, 4992, 6240, 8320, 8894, 9984, 12480, 13341, 16640, 17788, 22235, 24960, 26682, 35576, 44470, 49920, 53364, 57811, 66705, 71152, 88940, 106728, 115622, 133410, 142304, 173433, 177880, 213456, 231244, 266820, 284608, 289055, 346866, 355760, 426912, 462488, 533640, 569216, 578110, 693732, 711520, 853824, 867165, 924976, 1067280, 1138432, 1156220, 1387464, 1423040, 1707648, 1734330, 1849952, 2134560, 2312440, 2774928, 2846080, 3415296, 3468660, 3699904, 4269120, 4624880, 5549856, 5692160, 6937320, 7399808, 8538240, 9249760, 11099712, 13874640, 14799616, 17076480, 18499520, 22199424, 27749280, 36999040, 44398848, 55498560, 73998080, 110997120, 221994240]

約数ペア:

[(1, 221994240), (2, 110997120), (3, 73998080), (4, 55498560), (5, 44398848), (6, 36999040), (8, 27749280), (10, 22199424), (12, 18499520), (13, 17076480), (15, 14799616), (16, 13874640), (20, 11099712), (24, 9249760), (26, 8538240), (30, 7399808), (32, 6937320), (39, 5692160), (40, 5549856), (48, 4624880), (52, 4269120), (60, 3699904), (64, 3468660), (65, 3415296), (78, 2846080), (80, 2774928), (96, 2312440), (104, 2134560), (120, 1849952), (128, 1734330), (130, 1707648), (156, 1423040), (160, 1387464), (192, 1156220), (195, 1138432), (208, 1067280), (240, 924976), (256, 867165), (260, 853824), (312, 711520), (320, 693732), (384, 578110), (390, 569216), (416, 533640), (480, 462488), (520, 426912), (624, 355760), (640, 346866), (768, 289055), (780, 284608), (832, 266820), (960, 231244), (1040, 213456), (1248, 177880), (1280, 173433), (1560, 142304), (1664, 133410), (1920, 115622), (2080, 106728), (2496, 88940), (3120, 71152), (3328, 66705), (3840, 57811), (4160, 53364), (4447, 49920), (4992, 44470), (6240, 35576), (8320, 26682), (8894, 24960), (9984, 22235), (12480, 17788), (13341, 16640)]