201731280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{840547}}^1$

素因数の和:840563

約数の個数: 40

約数和(自身を含む): 625367712

約数和(自身を除く): 423636432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 840547, 1681094, 2521641, 3362188, 4202735, 5043282, 6724376, 8405470, 10086564, 12608205, 13448752, 16810940, 20173128, 25216410, 33621880, 40346256, 50432820, 67243760, 100865640, 201731280]

約数ペア:

[(1, 201731280), (2, 100865640), (3, 67243760), (4, 50432820), (5, 40346256), (6, 33621880), (8, 25216410), (10, 20173128), (12, 16810940), (15, 13448752), (16, 12608205), (20, 10086564), (24, 8405470), (30, 6724376), (40, 5043282), (48, 4202735), (60, 3362188), (80, 2521641), (120, 1681094), (240, 840547)]