66006640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 176417280

約数和(自身を除く): 110410640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 379, 560, 622, 758, 1244, 1516, 1555, 1895, 2177, 2488, 2653, 3032, 3110, 3790, 4354, 4976, 5306, 6064, 6220, 7580, 8708, 10612, 10885, 12440, 13265, 15160, 17416, 21224, 21770, 24880, 26530, 30320, 34832, 42448, 43540, 53060, 87080, 106120, 117869, 174160, 212240, 235738, 471476, 589345, 825083, 942952, 1178690, 1650166, 1885904, 2357380, 3300332, 4125415, 4714760, 6600664, 8250830, 9429520, 13201328, 16501660, 33003320, 66006640]

約数ペア:

[(1, 66006640), (2, 33003320), (4, 16501660), (5, 13201328), (7, 9429520), (8, 8250830), (10, 6600664), (14, 4714760), (16, 4125415), (20, 3300332), (28, 2357380), (35, 1885904), (40, 1650166), (56, 1178690), (70, 942952), (80, 825083), (112, 589345), (140, 471476), (280, 235738), (311, 212240), (379, 174160), (560, 117869), (622, 106120), (758, 87080), (1244, 53060), (1516, 43540), (1555, 42448), (1895, 34832), (2177, 30320), (2488, 26530), (2653, 24880), (3032, 21770), (3110, 21224), (3790, 17416), (4354, 15160), (4976, 13265), (5306, 12440), (6064, 10885), (6220, 10612), (7580, 8708)]