30721856

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 84

約数和(自身を含む): 71115936

約数和(自身を除く): 40394080

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 151, 176, 187, 272, 289, 302, 352, 374, 544, 578, 604, 704, 748, 1088, 1156, 1208, 1496, 1661, 2312, 2416, 2567, 2992, 3179, 3322, 4624, 4832, 5134, 5984, 6358, 6644, 9248, 9664, 10268, 11968, 12716, 13288, 18496, 20536, 25432, 26576, 28237, 41072, 43639, 50864, 53152, 56474, 82144, 87278, 101728, 106304, 112948, 164288, 174556, 203456, 225896, 349112, 451792, 480029, 698224, 903584, 960058, 1396448, 1807168, 1920116, 2792896, 3840232, 7680464, 15360928, 30721856]

約数ペア:

[(1, 30721856), (2, 15360928), (4, 7680464), (8, 3840232), (11, 2792896), (16, 1920116), (17, 1807168), (22, 1396448), (32, 960058), (34, 903584), (44, 698224), (64, 480029), (68, 451792), (88, 349112), (136, 225896), (151, 203456), (176, 174556), (187, 164288), (272, 112948), (289, 106304), (302, 101728), (352, 87278), (374, 82144), (544, 56474), (578, 53152), (604, 50864), (704, 43639), (748, 41072), (1088, 28237), (1156, 26576), (1208, 25432), (1496, 20536), (1661, 18496), (2312, 13288), (2416, 12716), (2567, 11968), (2992, 10268), (3179, 9664), (3322, 9248), (4624, 6644), (4832, 6358), (5134, 5984)]