718540160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1388

約数の個数: 128

約数和(自身を含む): 1878962400

約数和(自身を除く): 1160422240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 128, 130, 134, 160, 208, 260, 268, 320, 335, 416, 520, 536, 640, 670, 832, 871, 1040, 1072, 1289, 1340, 1664, 1742, 2080, 2144, 2578, 2680, 3484, 4160, 4288, 4355, 5156, 5360, 6445, 6968, 8320, 8576, 8710, 10312, 10720, 12890, 13936, 16757, 17420, 20624, 21440, 25780, 27872, 33514, 34840, 41248, 42880, 51560, 55744, 67028, 69680, 82496, 83785, 86363, 103120, 111488, 134056, 139360, 164992, 167570, 172726, 206240, 268112, 278720, 335140, 345452, 412480, 431815, 536224, 557440, 670280, 690904, 824960, 863630, 1072448, 1122719, 1340560, 1381808, 1727260, 2144896, 2245438, 2681120, 2763616, 3454520, 4490876, 5362240, 5527232, 5613595, 6909040, 8981752, 10724480, 11054464, 11227190, 13818080, 17963504, 22454380, 27636160, 35927008, 44908760, 55272320, 71854016, 89817520, 143708032, 179635040, 359270080, 718540160]

約数ペア:

[(1, 718540160), (2, 359270080), (4, 179635040), (5, 143708032), (8, 89817520), (10, 71854016), (13, 55272320), (16, 44908760), (20, 35927008), (26, 27636160), (32, 22454380), (40, 17963504), (52, 13818080), (64, 11227190), (65, 11054464), (67, 10724480), (80, 8981752), (104, 6909040), (128, 5613595), (130, 5527232), (134, 5362240), (160, 4490876), (208, 3454520), (260, 2763616), (268, 2681120), (320, 2245438), (335, 2144896), (416, 1727260), (520, 1381808), (536, 1340560), (640, 1122719), (670, 1072448), (832, 863630), (871, 824960), (1040, 690904), (1072, 670280), (1289, 557440), (1340, 536224), (1664, 431815), (1742, 412480), (2080, 345452), (2144, 335140), (2578, 278720), (2680, 268112), (3484, 206240), (4160, 172726), (4288, 167570), (4355, 164992), (5156, 139360), (5360, 134056), (6445, 111488), (6968, 103120), (8320, 86363), (8576, 83785), (8710, 82496), (10312, 69680), (10720, 67028), (12890, 55744), (13936, 51560), (16757, 42880), (17420, 41248), (20624, 34840), (21440, 33514), (25780, 27872)]