1330731440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{978479}}^1$

素因数の和:978509

約数の個数: 40

約数和(自身を含む): 3275951040

約数和(自身を除く): 1945219600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 978479, 1956958, 3913916, 4892395, 7827832, 9784790, 15655664, 16634143, 19569580, 33268286, 39139160, 66536572, 78278320, 83170715, 133073144, 166341430, 266146288, 332682860, 665365720, 1330731440]

約数ペア:

[(1, 1330731440), (2, 665365720), (4, 332682860), (5, 266146288), (8, 166341430), (10, 133073144), (16, 83170715), (17, 78278320), (20, 66536572), (34, 39139160), (40, 33268286), (68, 19569580), (80, 16634143), (85, 15655664), (136, 9784790), (170, 7827832), (272, 4892395), (340, 3913916), (680, 1956958), (1360, 978479)]