66719380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5237}}^1$

素因数の和:5273

約数の個数: 72

約数和(自身を含む): 175556808

約数和(自身を除く): 108837428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 5237, 6370, 10474, 12740, 20948, 26185, 36659, 52370, 68081, 73318, 104740, 136162, 146636, 183295, 256613, 272324, 340405, 366590, 476567, 513226, 680810, 733180, 953134, 1026452, 1283065, 1361620, 1906268, 2382835, 2566130, 3335969, 4765670, 5132260, 6671938, 9531340, 13343876, 16679845, 33359690, 66719380]

約数ペア:

[(1, 66719380), (2, 33359690), (4, 16679845), (5, 13343876), (7, 9531340), (10, 6671938), (13, 5132260), (14, 4765670), (20, 3335969), (26, 2566130), (28, 2382835), (35, 1906268), (49, 1361620), (52, 1283065), (65, 1026452), (70, 953134), (91, 733180), (98, 680810), (130, 513226), (140, 476567), (182, 366590), (196, 340405), (245, 272324), (260, 256613), (364, 183295), (455, 146636), (490, 136162), (637, 104740), (910, 73318), (980, 68081), (1274, 52370), (1820, 36659), (2548, 26185), (3185, 20948), (5237, 12740), (6370, 10474)]