9980493660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2918273}}^1$

素因数の和:2918307

約数の個数: 72

約数和(自身を含む): 31867552080

約数和(自身を除く): 21887058420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 2918273, 5836546, 8754819, 11673092, 14591365, 17509638, 26264457, 29182730, 35019276, 43774095, 52528914, 55447187, 58365460, 87548190, 105057828, 110894374, 131322285, 166341561, 175096380, 221788748, 262644570, 277235935, 332683122, 499024683, 525289140, 554471870, 665366244, 831707805, 998049366, 1108943740, 1663415610, 1996098732, 2495123415, 3326831220, 4990246830, 9980493660]

約数ペア:

[(1, 9980493660), (2, 4990246830), (3, 3326831220), (4, 2495123415), (5, 1996098732), (6, 1663415610), (9, 1108943740), (10, 998049366), (12, 831707805), (15, 665366244), (18, 554471870), (19, 525289140), (20, 499024683), (30, 332683122), (36, 277235935), (38, 262644570), (45, 221788748), (57, 175096380), (60, 166341561), (76, 131322285), (90, 110894374), (95, 105057828), (114, 87548190), (171, 58365460), (180, 55447187), (190, 52528914), (228, 43774095), (285, 35019276), (342, 29182730), (380, 26264457), (570, 17509638), (684, 14591365), (855, 11673092), (1140, 8754819), (1710, 5836546), (3420, 2918273)]