661290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 1880064

約数和(自身を除く): 1218774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 67, 70, 94, 105, 134, 141, 201, 210, 235, 282, 329, 335, 402, 469, 470, 658, 670, 705, 938, 987, 1005, 1407, 1410, 1645, 1974, 2010, 2345, 2814, 3149, 3290, 4690, 4935, 6298, 7035, 9447, 9870, 14070, 15745, 18894, 22043, 31490, 44086, 47235, 66129, 94470, 110215, 132258, 220430, 330645, 661290]

約数ペア:

[(1, 661290), (2, 330645), (3, 220430), (5, 132258), (6, 110215), (7, 94470), (10, 66129), (14, 47235), (15, 44086), (21, 31490), (30, 22043), (35, 18894), (42, 15745), (47, 14070), (67, 9870), (70, 9447), (94, 7035), (105, 6298), (134, 4935), (141, 4690), (201, 3290), (210, 3149), (235, 2814), (282, 2345), (329, 2010), (335, 1974), (402, 1645), (469, 1410), (470, 1407), (658, 1005), (670, 987), (705, 938)]