68108775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 134348544

約数和(自身を除く): 66239769

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 75, 105, 129, 147, 175, 215, 245, 301, 431, 525, 645, 735, 903, 1075, 1225, 1293, 1505, 2107, 2155, 3017, 3225, 3675, 4515, 6321, 6465, 7525, 9051, 10535, 10775, 15085, 18533, 21119, 22575, 31605, 32325, 45255, 52675, 55599, 63357, 75425, 92665, 105595, 129731, 158025, 226275, 277995, 316785, 389193, 463325, 527975, 648655, 908117, 1389975, 1583925, 1945965, 2724351, 3243275, 4540585, 9729825, 13621755, 22702925, 68108775]

約数ペア:

[(1, 68108775), (3, 22702925), (5, 13621755), (7, 9729825), (15, 4540585), (21, 3243275), (25, 2724351), (35, 1945965), (43, 1583925), (49, 1389975), (75, 908117), (105, 648655), (129, 527975), (147, 463325), (175, 389193), (215, 316785), (245, 277995), (301, 226275), (431, 158025), (525, 129731), (645, 105595), (735, 92665), (903, 75425), (1075, 63357), (1225, 55599), (1293, 52675), (1505, 45255), (2107, 32325), (2155, 31605), (3017, 22575), (3225, 21119), (3675, 18533), (4515, 15085), (6321, 10775), (6465, 10535), (7525, 9051)]