678579616

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 216

約数和(自身を含む): 1711226412

約数和(自身を除く): 1032646796

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 61, 68, 88, 104, 121, 122, 136, 143, 169, 176, 187, 208, 221, 242, 244, 272, 286, 338, 352, 374, 416, 442, 484, 488, 544, 572, 671, 676, 748, 793, 884, 968, 976, 1037, 1144, 1342, 1352, 1496, 1573, 1586, 1768, 1859, 1936, 1952, 2057, 2074, 2288, 2431, 2684, 2704, 2873, 2992, 3146, 3172, 3536, 3718, 3872, 4114, 4148, 4576, 4862, 5368, 5408, 5746, 5984, 6292, 6344, 7072, 7381, 7436, 8228, 8296, 8723, 9724, 10309, 10736, 11407, 11492, 12584, 12688, 13481, 14762, 14872, 16456, 16592, 17446, 19448, 20449, 20618, 21472, 22814, 22984, 25168, 25376, 26741, 26962, 29524, 29744, 31603, 32912, 33184, 34892, 38896, 40898, 41236, 45628, 45968, 50336, 53482, 53924, 59048, 59488, 63206, 65824, 69784, 77792, 81796, 82472, 91256, 91936, 95953, 106964, 107848, 113399, 118096, 125477, 126412, 139568, 148291, 163592, 164944, 175253, 182512, 191906, 213928, 215696, 226798, 236192, 250954, 252824, 279136, 296582, 327184, 329888, 347633, 350506, 365024, 383812, 427856, 431392, 453596, 501908, 505648, 593164, 654368, 695266, 701012, 767624, 855712, 907192, 1003816, 1011296, 1186328, 1247389, 1390532, 1402024, 1535248, 1631201, 1814384, 1927783, 2007632, 2372656, 2494778, 2781064, 2804048, 3070496, 3262402, 3628768, 3855566, 4015264, 4745312, 4989556, 5562128, 5608096, 6524804, 7711132, 9979112, 11124256, 13049608, 15422264, 19958224, 21205613, 26099216, 30844528, 39916448, 42411226, 52198432, 61689056, 84822452, 169644904, 339289808, 678579616]

約数ペア:

[(1, 678579616), (2, 339289808), (4, 169644904), (8, 84822452), (11, 61689056), (13, 52198432), (16, 42411226), (17, 39916448), (22, 30844528), (26, 26099216), (32, 21205613), (34, 19958224), (44, 15422264), (52, 13049608), (61, 11124256), (68, 9979112), (88, 7711132), (104, 6524804), (121, 5608096), (122, 5562128), (136, 4989556), (143, 4745312), (169, 4015264), (176, 3855566), (187, 3628768), (208, 3262402), (221, 3070496), (242, 2804048), (244, 2781064), (272, 2494778), (286, 2372656), (338, 2007632), (352, 1927783), (374, 1814384), (416, 1631201), (442, 1535248), (484, 1402024), (488, 1390532), (544, 1247389), (572, 1186328), (671, 1011296), (676, 1003816), (748, 907192), (793, 855712), (884, 767624), (968, 701012), (976, 695266), (1037, 654368), (1144, 593164), (1342, 505648), (1352, 501908), (1496, 453596), (1573, 431392), (1586, 427856), (1768, 383812), (1859, 365024), (1936, 350506), (1952, 347633), (2057, 329888), (2074, 327184), (2288, 296582), (2431, 279136), (2684, 252824), (2704, 250954), (2873, 236192), (2992, 226798), (3146, 215696), (3172, 213928), (3536, 191906), (3718, 182512), (3872, 175253), (4114, 164944), (4148, 163592), (4576, 148291), (4862, 139568), (5368, 126412), (5408, 125477), (5746, 118096), (5984, 113399), (6292, 107848), (6344, 106964), (7072, 95953), (7381, 91936), (7436, 91256), (8228, 82472), (8296, 81796), (8723, 77792), (9724, 69784), (10309, 65824), (10736, 63206), (11407, 59488), (11492, 59048), (12584, 53924), (12688, 53482), (13481, 50336), (14762, 45968), (14872, 45628), (16456, 41236), (16592, 40898), (17446, 38896), (19448, 34892), (20449, 33184), (20618, 32912), (21472, 31603), (22814, 29744), (22984, 29524), (25168, 26962), (25376, 26741)]