66819168

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 212533776

約数和(自身を除く): 145714608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 288, 312, 324, 351, 416, 432, 468, 486, 624, 648, 661, 702, 864, 936, 972, 1053, 1248, 1296, 1322, 1404, 1872, 1944, 1983, 2106, 2592, 2644, 2808, 3159, 3744, 3888, 3966, 4212, 5288, 5616, 5949, 6318, 7776, 7932, 8424, 8593, 10576, 11232, 11898, 12636, 15864, 16848, 17186, 17847, 21152, 23796, 25272, 25779, 31728, 33696, 34372, 35694, 47592, 50544, 51558, 53541, 63456, 68744, 71388, 77337, 95184, 101088, 103116, 107082, 137488, 142776, 154674, 160623, 190368, 206232, 214164, 232011, 274976, 285552, 309348, 321246, 412464, 428328, 464022, 571104, 618696, 642492, 696033, 824928, 856656, 928044, 1237392, 1284984, 1392066, 1713312, 1856088, 2088099, 2474784, 2569968, 2784132, 3712176, 4176198, 5139936, 5568264, 7424352, 8352396, 11136528, 16704792, 22273056, 33409584, 66819168]

約数ペア:

[(1, 66819168), (2, 33409584), (3, 22273056), (4, 16704792), (6, 11136528), (8, 8352396), (9, 7424352), (12, 5568264), (13, 5139936), (16, 4176198), (18, 3712176), (24, 2784132), (26, 2569968), (27, 2474784), (32, 2088099), (36, 1856088), (39, 1713312), (48, 1392066), (52, 1284984), (54, 1237392), (72, 928044), (78, 856656), (81, 824928), (96, 696033), (104, 642492), (108, 618696), (117, 571104), (144, 464022), (156, 428328), (162, 412464), (208, 321246), (216, 309348), (234, 285552), (243, 274976), (288, 232011), (312, 214164), (324, 206232), (351, 190368), (416, 160623), (432, 154674), (468, 142776), (486, 137488), (624, 107082), (648, 103116), (661, 101088), (702, 95184), (864, 77337), (936, 71388), (972, 68744), (1053, 63456), (1248, 53541), (1296, 51558), (1322, 50544), (1404, 47592), (1872, 35694), (1944, 34372), (1983, 33696), (2106, 31728), (2592, 25779), (2644, 25272), (2808, 23796), (3159, 21152), (3744, 17847), (3888, 17186), (3966, 16848), (4212, 15864), (5288, 12636), (5616, 11898), (5949, 11232), (6318, 10576), (7776, 8593), (7932, 8424)]