2016991980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{6947}}^1$

素因数の和:8575

約数の個数: 72

約数和(自身を含む): 6122883312

約数和(自身を除く): 4105891332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1613, 3226, 4839, 6452, 6947, 8065, 9678, 13894, 14517, 16130, 19356, 20841, 24195, 27788, 29034, 32260, 34735, 41682, 48390, 58068, 62523, 69470, 72585, 83364, 96780, 104205, 125046, 138940, 145170, 208410, 250092, 290340, 312615, 416820, 625230, 1250460, 11205511, 22411022, 33616533, 44822044, 56027555, 67233066, 100849599, 112055110, 134466132, 168082665, 201699198, 224110220, 336165330, 403398396, 504247995, 672330660, 1008495990, 2016991980]

約数ペア:

[(1, 2016991980), (2, 1008495990), (3, 672330660), (4, 504247995), (5, 403398396), (6, 336165330), (9, 224110220), (10, 201699198), (12, 168082665), (15, 134466132), (18, 112055110), (20, 100849599), (30, 67233066), (36, 56027555), (45, 44822044), (60, 33616533), (90, 22411022), (180, 11205511), (1613, 1250460), (3226, 625230), (4839, 416820), (6452, 312615), (6947, 290340), (8065, 250092), (9678, 208410), (13894, 145170), (14517, 138940), (16130, 125046), (19356, 104205), (20841, 96780), (24195, 83364), (27788, 72585), (29034, 69470), (32260, 62523), (34735, 58068), (41682, 48390)]