205209360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1385

約数の個数: 120

約数和(自身を含む): 692466840

約数和(自身を除く): 487257480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 257, 360, 514, 720, 771, 1028, 1109, 1285, 1542, 2056, 2218, 2313, 2570, 3084, 3327, 3855, 4112, 4436, 4626, 5140, 5545, 6168, 6654, 7710, 8872, 9252, 9981, 10280, 11090, 11565, 12336, 13308, 15420, 16635, 17744, 18504, 19962, 20560, 22180, 23130, 26616, 30840, 33270, 37008, 39924, 44360, 46260, 49905, 53232, 61680, 66540, 79848, 88720, 92520, 99810, 133080, 159696, 185040, 199620, 266160, 285013, 399240, 570026, 798480, 855039, 1140052, 1425065, 1710078, 2280104, 2565117, 2850130, 3420156, 4275195, 4560208, 5130234, 5700260, 6840312, 8550390, 10260468, 11400520, 12825585, 13680624, 17100780, 20520936, 22801040, 25651170, 34201560, 41041872, 51302340, 68403120, 102604680, 205209360]

約数ペア:

[(1, 205209360), (2, 102604680), (3, 68403120), (4, 51302340), (5, 41041872), (6, 34201560), (8, 25651170), (9, 22801040), (10, 20520936), (12, 17100780), (15, 13680624), (16, 12825585), (18, 11400520), (20, 10260468), (24, 8550390), (30, 6840312), (36, 5700260), (40, 5130234), (45, 4560208), (48, 4275195), (60, 3420156), (72, 2850130), (80, 2565117), (90, 2280104), (120, 1710078), (144, 1425065), (180, 1140052), (240, 855039), (257, 798480), (360, 570026), (514, 399240), (720, 285013), (771, 266160), (1028, 199620), (1109, 185040), (1285, 159696), (1542, 133080), (2056, 99810), (2218, 92520), (2313, 88720), (2570, 79848), (3084, 66540), (3327, 61680), (3855, 53232), (4112, 49905), (4436, 46260), (4626, 44360), (5140, 39924), (5545, 37008), (6168, 33270), (6654, 30840), (7710, 26616), (8872, 23130), (9252, 22180), (9981, 20560), (10280, 19962), (11090, 18504), (11565, 17744), (12336, 16635), (13308, 15420)]