81451680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169691}}^1$

素因数の和:169709

約数の個数: 48

約数和(自身を含む): 256574304

約数和(自身を除く): 175122624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169691, 339382, 509073, 678764, 848455, 1018146, 1357528, 1696910, 2036292, 2545365, 2715056, 3393820, 4072584, 5090730, 5430112, 6787640, 8145168, 10181460, 13575280, 16290336, 20362920, 27150560, 40725840, 81451680]

約数ペア:

[(1, 81451680), (2, 40725840), (3, 27150560), (4, 20362920), (5, 16290336), (6, 13575280), (8, 10181460), (10, 8145168), (12, 6787640), (15, 5430112), (16, 5090730), (20, 4072584), (24, 3393820), (30, 2715056), (32, 2545365), (40, 2036292), (48, 1696910), (60, 1357528), (80, 1018146), (96, 848455), (120, 678764), (160, 509073), (240, 339382), (480, 169691)]