321004008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 1041431040

約数和(自身を除く): 720427032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 31, 36, 37, 39, 46, 52, 62, 69, 72, 74, 78, 92, 93, 104, 111, 117, 124, 138, 148, 156, 169, 184, 186, 207, 222, 234, 248, 276, 279, 296, 299, 312, 333, 338, 372, 403, 414, 444, 468, 481, 507, 552, 558, 598, 666, 676, 713, 744, 806, 828, 851, 888, 897, 936, 962, 1014, 1116, 1147, 1196, 1209, 1332, 1352, 1426, 1443, 1521, 1612, 1656, 1702, 1794, 1924, 2028, 2139, 2232, 2294, 2392, 2418, 2553, 2664, 2691, 2852, 2886, 3042, 3224, 3404, 3441, 3588, 3627, 3848, 3887, 4056, 4278, 4329, 4588, 4836, 5106, 5239, 5382, 5704, 5772, 6084, 6253, 6417, 6808, 6882, 7176, 7254, 7659, 7774, 8556, 8658, 9176, 9269, 9672, 10212, 10323, 10478, 10764, 11063, 11544, 11661, 12168, 12506, 12834, 13764, 14508, 14911, 15318, 15548, 15717, 17112, 17316, 18538, 18759, 20424, 20646, 20956, 21528, 22126, 23322, 25012, 25668, 26381, 27528, 27807, 29016, 29822, 30636, 31096, 31434, 33189, 34632, 34983, 37076, 37518, 41292, 41912, 44252, 44733, 46644, 47151, 50024, 51336, 52762, 55614, 56277, 59644, 61272, 62868, 66378, 69966, 74152, 75036, 79143, 82584, 83421, 88504, 89466, 93288, 94302, 99567, 105524, 111228, 112554, 119288, 120497, 125736, 132756, 134199, 139932, 143819, 150072, 158286, 166842, 178932, 188604, 193843, 199134, 211048, 222456, 225108, 237429, 240994, 265512, 268398, 279864, 287638, 316572, 333684, 342953, 357864, 361491, 377208, 387686, 398268, 431457, 450216, 474858, 481988, 536796, 575276, 581529, 633144, 667368, 685906, 722982, 775372, 796536, 862914, 949716, 963976, 1028859, 1073592, 1084473, 1150552, 1163058, 1294371, 1371812, 1445964, 1550744, 1725828, 1744587, 1899432, 2057718, 2168946, 2326116, 2588742, 2743624, 2891928, 3086577, 3451656, 3489174, 4115436, 4337892, 4458389, 4652232, 5177484, 6173154, 6978348, 8230872, 8675784, 8916778, 10354968, 12346308, 13375167, 13956696, 17833556, 24692616, 26750334, 35667112, 40125501, 53500668, 80251002, 107001336, 160502004, 321004008]

約数ペア:

[(1, 321004008), (2, 160502004), (3, 107001336), (4, 80251002), (6, 53500668), (8, 40125501), (9, 35667112), (12, 26750334), (13, 24692616), (18, 17833556), (23, 13956696), (24, 13375167), (26, 12346308), (31, 10354968), (36, 8916778), (37, 8675784), (39, 8230872), (46, 6978348), (52, 6173154), (62, 5177484), (69, 4652232), (72, 4458389), (74, 4337892), (78, 4115436), (92, 3489174), (93, 3451656), (104, 3086577), (111, 2891928), (117, 2743624), (124, 2588742), (138, 2326116), (148, 2168946), (156, 2057718), (169, 1899432), (184, 1744587), (186, 1725828), (207, 1550744), (222, 1445964), (234, 1371812), (248, 1294371), (276, 1163058), (279, 1150552), (296, 1084473), (299, 1073592), (312, 1028859), (333, 963976), (338, 949716), (372, 862914), (403, 796536), (414, 775372), (444, 722982), (468, 685906), (481, 667368), (507, 633144), (552, 581529), (558, 575276), (598, 536796), (666, 481988), (676, 474858), (713, 450216), (744, 431457), (806, 398268), (828, 387686), (851, 377208), (888, 361491), (897, 357864), (936, 342953), (962, 333684), (1014, 316572), (1116, 287638), (1147, 279864), (1196, 268398), (1209, 265512), (1332, 240994), (1352, 237429), (1426, 225108), (1443, 222456), (1521, 211048), (1612, 199134), (1656, 193843), (1702, 188604), (1794, 178932), (1924, 166842), (2028, 158286), (2139, 150072), (2232, 143819), (2294, 139932), (2392, 134199), (2418, 132756), (2553, 125736), (2664, 120497), (2691, 119288), (2852, 112554), (2886, 111228), (3042, 105524), (3224, 99567), (3404, 94302), (3441, 93288), (3588, 89466), (3627, 88504), (3848, 83421), (3887, 82584), (4056, 79143), (4278, 75036), (4329, 74152), (4588, 69966), (4836, 66378), (5106, 62868), (5239, 61272), (5382, 59644), (5704, 56277), (5772, 55614), (6084, 52762), (6253, 51336), (6417, 50024), (6808, 47151), (6882, 46644), (7176, 44733), (7254, 44252), (7659, 41912), (7774, 41292), (8556, 37518), (8658, 37076), (9176, 34983), (9269, 34632), (9672, 33189), (10212, 31434), (10323, 31096), (10478, 30636), (10764, 29822), (11063, 29016), (11544, 27807), (11661, 27528), (12168, 26381), (12506, 25668), (12834, 25012), (13764, 23322), (14508, 22126), (14911, 21528), (15318, 20956), (15548, 20646), (15717, 20424), (17112, 18759), (17316, 18538)]