1089280

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 2796192

約数和(自身を除く): 1706912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 230, 256, 296, 320, 368, 370, 460, 592, 640, 736, 740, 851, 920, 1184, 1280, 1472, 1480, 1702, 1840, 2368, 2944, 2960, 3404, 3680, 4255, 4736, 5888, 5920, 6808, 7360, 8510, 9472, 11840, 13616, 14720, 17020, 23680, 27232, 29440, 34040, 47360, 54464, 68080, 108928, 136160, 217856, 272320, 544640, 1089280]

約数ペア:

[(1, 1089280), (2, 544640), (4, 272320), (5, 217856), (8, 136160), (10, 108928), (16, 68080), (20, 54464), (23, 47360), (32, 34040), (37, 29440), (40, 27232), (46, 23680), (64, 17020), (74, 14720), (80, 13616), (92, 11840), (115, 9472), (128, 8510), (148, 7360), (160, 6808), (184, 5920), (185, 5888), (230, 4736), (256, 4255), (296, 3680), (320, 3404), (368, 2960), (370, 2944), (460, 2368), (592, 1840), (640, 1702), (736, 1480), (740, 1472), (851, 1280), (920, 1184)]