160702720

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 387346176

約数和(自身を除く): 226643456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 563, 640, 892, 1115, 1126, 1280, 1784, 2230, 2252, 2815, 3568, 4460, 4504, 5630, 7136, 8920, 9008, 11260, 14272, 17840, 18016, 22520, 28544, 35680, 36032, 45040, 57088, 71360, 72064, 90080, 125549, 142720, 144128, 180160, 251098, 285440, 360320, 502196, 627745, 720640, 1004392, 1255490, 2008784, 2510980, 4017568, 5021960, 8035136, 10043920, 16070272, 20087840, 32140544, 40175680, 80351360, 160702720]

約数ペア:

[(1, 160702720), (2, 80351360), (4, 40175680), (5, 32140544), (8, 20087840), (10, 16070272), (16, 10043920), (20, 8035136), (32, 5021960), (40, 4017568), (64, 2510980), (80, 2008784), (128, 1255490), (160, 1004392), (223, 720640), (256, 627745), (320, 502196), (446, 360320), (563, 285440), (640, 251098), (892, 180160), (1115, 144128), (1126, 142720), (1280, 125549), (1784, 90080), (2230, 72064), (2252, 71360), (2815, 57088), (3568, 45040), (4460, 36032), (4504, 35680), (5630, 28544), (7136, 22520), (8920, 18016), (9008, 17840), (11260, 14272)]