644529920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21893}}^1$

素因数の和:21937

約数の個数: 72

約数和(自身を含む): 1611048096

約数和(自身を除く): 966518176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 21893, 29440, 43786, 87572, 109465, 175144, 218930, 350288, 437860, 503539, 700576, 875720, 1007078, 1401152, 1751440, 2014156, 2517695, 2802304, 3502880, 4028312, 5035390, 5604608, 7005760, 8056624, 10070780, 14011520, 16113248, 20141560, 28023040, 32226496, 40283120, 64452992, 80566240, 128905984, 161132480, 322264960, 644529920]

約数ペア:

[(1, 644529920), (2, 322264960), (4, 161132480), (5, 128905984), (8, 80566240), (10, 64452992), (16, 40283120), (20, 32226496), (23, 28023040), (32, 20141560), (40, 16113248), (46, 14011520), (64, 10070780), (80, 8056624), (92, 7005760), (115, 5604608), (128, 5035390), (160, 4028312), (184, 3502880), (230, 2802304), (256, 2517695), (320, 2014156), (368, 1751440), (460, 1401152), (640, 1007078), (736, 875720), (920, 700576), (1280, 503539), (1472, 437860), (1840, 350288), (2944, 218930), (3680, 175144), (5888, 109465), (7360, 87572), (14720, 43786), (21893, 29440)]