1321372560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5505719}}^1$

素因数の和:5505735

約数の個数: 40

約数和(自身を含む): 4096255680

約数和(自身を除く): 2774883120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5505719, 11011438, 16517157, 22022876, 27528595, 33034314, 44045752, 55057190, 66068628, 82585785, 88091504, 110114380, 132137256, 165171570, 220228760, 264274512, 330343140, 440457520, 660686280, 1321372560]

約数ペア:

[(1, 1321372560), (2, 660686280), (3, 440457520), (4, 330343140), (5, 264274512), (6, 220228760), (8, 165171570), (10, 132137256), (12, 110114380), (15, 88091504), (16, 82585785), (20, 66068628), (24, 55057190), (30, 44045752), (40, 33034314), (48, 27528595), (60, 22022876), (80, 16517157), (120, 11011438), (240, 5505719)]