72904040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2473}}^1$

素因数の和:2562

約数の個数: 64

約数和(自身を含む): 181690560

約数和(自身を除く): 108786520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2473, 2680, 2948, 3685, 4946, 5896, 7370, 9892, 12365, 14740, 19784, 24730, 27203, 29480, 49460, 54406, 98920, 108812, 136015, 165691, 217624, 272030, 331382, 544060, 662764, 828455, 1088120, 1325528, 1656910, 1822601, 3313820, 3645202, 6627640, 7290404, 9113005, 14580808, 18226010, 36452020, 72904040]

約数ペア:

[(1, 72904040), (2, 36452020), (4, 18226010), (5, 14580808), (8, 9113005), (10, 7290404), (11, 6627640), (20, 3645202), (22, 3313820), (40, 1822601), (44, 1656910), (55, 1325528), (67, 1088120), (88, 828455), (110, 662764), (134, 544060), (220, 331382), (268, 272030), (335, 217624), (440, 165691), (536, 136015), (670, 108812), (737, 98920), (1340, 54406), (1474, 49460), (2473, 29480), (2680, 27203), (2948, 24730), (3685, 19784), (4946, 14740), (5896, 12365), (7370, 9892)]