159981318

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2079

約数の個数: 80

約数和(自身を含む): 415666944

約数和(自身を除く): 255685626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 378, 426, 497, 567, 639, 994, 1134, 1278, 1491, 1917, 1987, 2982, 3834, 3974, 4473, 5751, 5961, 8946, 11502, 11922, 13419, 13909, 17883, 26838, 27818, 35766, 40257, 41727, 53649, 80514, 83454, 107298, 125181, 141077, 160947, 250362, 282154, 321894, 375543, 423231, 751086, 846462, 987539, 1126629, 1269693, 1975078, 2253258, 2539386, 2962617, 3809079, 5925234, 7618158, 8887851, 11427237, 17775702, 22854474, 26663553, 53327106, 79990659, 159981318]

約数ペア:

[(1, 159981318), (2, 79990659), (3, 53327106), (6, 26663553), (7, 22854474), (9, 17775702), (14, 11427237), (18, 8887851), (21, 7618158), (27, 5925234), (42, 3809079), (54, 2962617), (63, 2539386), (71, 2253258), (81, 1975078), (126, 1269693), (142, 1126629), (162, 987539), (189, 846462), (213, 751086), (378, 423231), (426, 375543), (497, 321894), (567, 282154), (639, 250362), (994, 160947), (1134, 141077), (1278, 125181), (1491, 107298), (1917, 83454), (1987, 80514), (2982, 53649), (3834, 41727), (3974, 40257), (4473, 35766), (5751, 27818), (5961, 26838), (8946, 17883), (11502, 13909), (11922, 13419)]