81730710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1613}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 213009264

約数和(自身を除く): 131278554

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 563, 1126, 1613, 1689, 2815, 3226, 3378, 4839, 5067, 5630, 8065, 8445, 9678, 10134, 14517, 16130, 16890, 24195, 25335, 29034, 48390, 50670, 72585, 145170, 908119, 1816238, 2724357, 4540595, 5448714, 8173071, 9081190, 13621785, 16346142, 27243570, 40865355, 81730710]

約数ペア:

[(1, 81730710), (2, 40865355), (3, 27243570), (5, 16346142), (6, 13621785), (9, 9081190), (10, 8173071), (15, 5448714), (18, 4540595), (30, 2724357), (45, 1816238), (90, 908119), (563, 145170), (1126, 72585), (1613, 50670), (1689, 48390), (2815, 29034), (3226, 25335), (3378, 24195), (4839, 16890), (5067, 16130), (5630, 14517), (8065, 10134), (8445, 9678)]