207815820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2687

約数の個数: 96

約数和(自身を含む): 624153600

約数和(自身を除く): 416337780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 316, 340, 395, 474, 510, 790, 948, 1020, 1185, 1343, 1580, 2370, 2579, 2686, 4029, 4740, 5158, 5372, 6715, 7737, 8058, 10316, 12895, 13430, 15474, 16116, 20145, 25790, 26860, 30948, 38685, 40290, 43843, 51580, 77370, 80580, 87686, 131529, 154740, 175372, 203741, 219215, 263058, 407482, 438430, 526116, 611223, 657645, 814964, 876860, 1018705, 1222446, 1315290, 2037410, 2444892, 2630580, 3056115, 3463597, 4074820, 6112230, 6927194, 10390791, 12224460, 13854388, 17317985, 20781582, 34635970, 41563164, 51953955, 69271940, 103907910, 207815820]

約数ペア:

[(1, 207815820), (2, 103907910), (3, 69271940), (4, 51953955), (5, 41563164), (6, 34635970), (10, 20781582), (12, 17317985), (15, 13854388), (17, 12224460), (20, 10390791), (30, 6927194), (34, 6112230), (51, 4074820), (60, 3463597), (68, 3056115), (79, 2630580), (85, 2444892), (102, 2037410), (158, 1315290), (170, 1222446), (204, 1018705), (237, 876860), (255, 814964), (316, 657645), (340, 611223), (395, 526116), (474, 438430), (510, 407482), (790, 263058), (948, 219215), (1020, 203741), (1185, 175372), (1343, 154740), (1580, 131529), (2370, 87686), (2579, 80580), (2686, 77370), (4029, 51580), (4740, 43843), (5158, 40290), (5372, 38685), (6715, 30948), (7737, 26860), (8058, 25790), (10316, 20145), (12895, 16116), (13430, 15474)]