320009904

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2235

約数の個数: 120

約数和(自身を含む): 964259712

約数和(自身を除く): 644249808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 61, 68, 72, 102, 122, 136, 144, 153, 183, 204, 244, 272, 306, 366, 408, 488, 549, 612, 732, 816, 976, 1037, 1098, 1224, 1464, 2074, 2143, 2196, 2448, 2928, 3111, 4148, 4286, 4392, 6222, 6429, 8296, 8572, 8784, 9333, 12444, 12858, 16592, 17144, 18666, 19287, 24888, 25716, 34288, 36431, 37332, 38574, 49776, 51432, 72862, 74664, 77148, 102864, 109293, 130723, 145724, 149328, 154296, 218586, 261446, 291448, 308592, 327879, 392169, 437172, 522892, 582896, 655758, 784338, 874344, 1045784, 1176507, 1311516, 1568676, 1748688, 2091568, 2222291, 2353014, 2623032, 3137352, 4444582, 4706028, 5246064, 6274704, 6666873, 8889164, 9412056, 13333746, 17778328, 18824112, 20000619, 26667492, 35556656, 40001238, 53334984, 80002476, 106669968, 160004952, 320009904]

約数ペア:

[(1, 320009904), (2, 160004952), (3, 106669968), (4, 80002476), (6, 53334984), (8, 40001238), (9, 35556656), (12, 26667492), (16, 20000619), (17, 18824112), (18, 17778328), (24, 13333746), (34, 9412056), (36, 8889164), (48, 6666873), (51, 6274704), (61, 5246064), (68, 4706028), (72, 4444582), (102, 3137352), (122, 2623032), (136, 2353014), (144, 2222291), (153, 2091568), (183, 1748688), (204, 1568676), (244, 1311516), (272, 1176507), (306, 1045784), (366, 874344), (408, 784338), (488, 655758), (549, 582896), (612, 522892), (732, 437172), (816, 392169), (976, 327879), (1037, 308592), (1098, 291448), (1224, 261446), (1464, 218586), (2074, 154296), (2143, 149328), (2196, 145724), (2448, 130723), (2928, 109293), (3111, 102864), (4148, 77148), (4286, 74664), (4392, 72862), (6222, 51432), (6429, 49776), (8296, 38574), (8572, 37332), (8784, 36431), (9333, 34288), (12444, 25716), (12858, 24888), (16592, 19287), (17144, 18666)]