66699520

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 161590464

約数和(自身を除く): 94890944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 487, 535, 640, 856, 974, 1070, 1280, 1712, 1948, 2140, 2435, 3424, 3896, 4280, 4870, 6848, 7792, 8560, 9740, 13696, 15584, 17120, 19480, 27392, 31168, 34240, 38960, 52109, 62336, 68480, 77920, 104218, 124672, 136960, 155840, 208436, 260545, 311680, 416872, 521090, 623360, 833744, 1042180, 1667488, 2084360, 3334976, 4168720, 6669952, 8337440, 13339904, 16674880, 33349760, 66699520]

約数ペア:

[(1, 66699520), (2, 33349760), (4, 16674880), (5, 13339904), (8, 8337440), (10, 6669952), (16, 4168720), (20, 3334976), (32, 2084360), (40, 1667488), (64, 1042180), (80, 833744), (107, 623360), (128, 521090), (160, 416872), (214, 311680), (256, 260545), (320, 208436), (428, 155840), (487, 136960), (535, 124672), (640, 104218), (856, 77920), (974, 68480), (1070, 62336), (1280, 52109), (1712, 38960), (1948, 34240), (2140, 31168), (2435, 27392), (3424, 19480), (3896, 17120), (4280, 15584), (4870, 13696), (6848, 9740), (7792, 8560)]