68434520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1353

約数の個数: 128

約数和(自身を含む): 203420160

約数和(自身を除く): 134985640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1307, 1309, 1496, 1540, 1870, 2380, 2614, 2618, 3080, 3740, 4760, 5228, 5236, 6535, 6545, 7480, 9149, 10456, 10472, 13070, 13090, 14377, 18298, 22219, 26140, 26180, 28754, 36596, 44438, 45745, 52280, 52360, 57508, 71885, 73192, 88876, 91490, 100639, 111095, 115016, 143770, 155533, 177752, 182980, 201278, 222190, 244409, 287540, 311066, 365960, 402556, 444380, 488818, 503195, 575080, 622132, 777665, 805112, 888760, 977636, 1006390, 1222045, 1244264, 1555330, 1710863, 1955272, 2012780, 2444090, 3110660, 3421726, 4025560, 4888180, 6221320, 6843452, 8554315, 9776360, 13686904, 17108630, 34217260, 68434520]

約数ペア:

[(1, 68434520), (2, 34217260), (4, 17108630), (5, 13686904), (7, 9776360), (8, 8554315), (10, 6843452), (11, 6221320), (14, 4888180), (17, 4025560), (20, 3421726), (22, 3110660), (28, 2444090), (34, 2012780), (35, 1955272), (40, 1710863), (44, 1555330), (55, 1244264), (56, 1222045), (68, 1006390), (70, 977636), (77, 888760), (85, 805112), (88, 777665), (110, 622132), (119, 575080), (136, 503195), (140, 488818), (154, 444380), (170, 402556), (187, 365960), (220, 311066), (238, 287540), (280, 244409), (308, 222190), (340, 201278), (374, 182980), (385, 177752), (440, 155533), (476, 143770), (595, 115016), (616, 111095), (680, 100639), (748, 91490), (770, 88876), (935, 73192), (952, 71885), (1190, 57508), (1307, 52360), (1309, 52280), (1496, 45745), (1540, 44438), (1870, 36596), (2380, 28754), (2614, 26180), (2618, 26140), (3080, 22219), (3740, 18298), (4760, 14377), (5228, 13090), (5236, 13070), (6535, 10472), (6545, 10456), (7480, 9149)]