140908920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{69073}}^1$

素因数の和:69104

約数の個数: 64

約数和(自身を含む): 447599520

約数和(自身を除く): 306690600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 69073, 138146, 207219, 276292, 345365, 414438, 552584, 690730, 828876, 1036095, 1174241, 1381460, 1657752, 2072190, 2348482, 2762920, 3522723, 4144380, 4696964, 5871205, 7045446, 8288760, 9393928, 11742410, 14090892, 17613615, 23484820, 28181784, 35227230, 46969640, 70454460, 140908920]

約数ペア:

[(1, 140908920), (2, 70454460), (3, 46969640), (4, 35227230), (5, 28181784), (6, 23484820), (8, 17613615), (10, 14090892), (12, 11742410), (15, 9393928), (17, 8288760), (20, 7045446), (24, 5871205), (30, 4696964), (34, 4144380), (40, 3522723), (51, 2762920), (60, 2348482), (68, 2072190), (85, 1657752), (102, 1381460), (120, 1174241), (136, 1036095), (170, 828876), (204, 690730), (255, 552584), (340, 414438), (408, 345365), (510, 276292), (680, 207219), (1020, 138146), (2040, 69073)]