220890384

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 240

約数和(自身を含む): 770200704

約数和(自身を除く): 549310320

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 22, 24, 26, 33, 34, 36, 39, 44, 48, 51, 52, 66, 68, 72, 78, 88, 99, 102, 104, 117, 132, 136, 143, 144, 153, 156, 176, 187, 198, 204, 208, 221, 234, 264, 272, 286, 306, 312, 374, 396, 408, 429, 442, 468, 528, 561, 572, 612, 624, 631, 663, 748, 792, 816, 858, 884, 936, 1122, 1144, 1224, 1262, 1287, 1326, 1496, 1584, 1683, 1716, 1768, 1872, 1893, 1989, 2244, 2288, 2431, 2448, 2524, 2574, 2652, 2992, 3366, 3432, 3536, 3786, 3978, 4488, 4862, 5048, 5148, 5304, 5679, 6732, 6864, 6941, 7293, 7572, 7956, 8203, 8976, 9724, 10096, 10296, 10608, 10727, 11358, 13464, 13882, 14586, 15144, 15912, 16406, 19448, 20592, 20823, 21454, 21879, 22716, 24609, 26928, 27764, 29172, 30288, 31824, 32181, 32812, 38896, 41646, 42908, 43758, 45432, 49218, 55528, 58344, 62469, 64362, 65624, 73827, 83292, 85816, 87516, 90233, 90864, 96543, 98436, 111056, 116688, 117997, 124938, 128724, 131248, 139451, 147654, 166584, 171632, 175032, 180466, 193086, 196872, 235994, 249876, 257448, 270699, 278902, 295308, 333168, 350064, 353991, 360932, 386172, 393744, 418353, 471988, 499752, 514896, 541398, 557804, 590616, 707982, 721864, 772344, 812097, 836706, 943976, 999504, 1061973, 1082796, 1115608, 1181232, 1255059, 1415964, 1443728, 1533961, 1544688, 1624194, 1673412, 1887952, 2123946, 2165592, 2231216, 2510118, 2831928, 3067922, 3248388, 3346824, 4247892, 4331184, 4601883, 5020236, 5663856, 6135844, 6496776, 6693648, 8495784, 9203766, 10040472, 12271688, 12993552, 13805649, 16991568, 18407532, 20080944, 24543376, 27611298, 36815064, 55222596, 73630128, 110445192, 220890384]

約数ペア:

[(1, 220890384), (2, 110445192), (3, 73630128), (4, 55222596), (6, 36815064), (8, 27611298), (9, 24543376), (11, 20080944), (12, 18407532), (13, 16991568), (16, 13805649), (17, 12993552), (18, 12271688), (22, 10040472), (24, 9203766), (26, 8495784), (33, 6693648), (34, 6496776), (36, 6135844), (39, 5663856), (44, 5020236), (48, 4601883), (51, 4331184), (52, 4247892), (66, 3346824), (68, 3248388), (72, 3067922), (78, 2831928), (88, 2510118), (99, 2231216), (102, 2165592), (104, 2123946), (117, 1887952), (132, 1673412), (136, 1624194), (143, 1544688), (144, 1533961), (153, 1443728), (156, 1415964), (176, 1255059), (187, 1181232), (198, 1115608), (204, 1082796), (208, 1061973), (221, 999504), (234, 943976), (264, 836706), (272, 812097), (286, 772344), (306, 721864), (312, 707982), (374, 590616), (396, 557804), (408, 541398), (429, 514896), (442, 499752), (468, 471988), (528, 418353), (561, 393744), (572, 386172), (612, 360932), (624, 353991), (631, 350064), (663, 333168), (748, 295308), (792, 278902), (816, 270699), (858, 257448), (884, 249876), (936, 235994), (1122, 196872), (1144, 193086), (1224, 180466), (1262, 175032), (1287, 171632), (1326, 166584), (1496, 147654), (1584, 139451), (1683, 131248), (1716, 128724), (1768, 124938), (1872, 117997), (1893, 116688), (1989, 111056), (2244, 98436), (2288, 96543), (2431, 90864), (2448, 90233), (2524, 87516), (2574, 85816), (2652, 83292), (2992, 73827), (3366, 65624), (3432, 64362), (3536, 62469), (3786, 58344), (3978, 55528), (4488, 49218), (4862, 45432), (5048, 43758), (5148, 42908), (5304, 41646), (5679, 38896), (6732, 32812), (6864, 32181), (6941, 31824), (7293, 30288), (7572, 29172), (7956, 27764), (8203, 26928), (8976, 24609), (9724, 22716), (10096, 21879), (10296, 21454), (10608, 20823), (10727, 20592), (11358, 19448), (13464, 16406), (13882, 15912), (14586, 15144)]