215961720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:526

約数の個数: 192

約数和(自身を含む): 733639680

約数和(自身を除く): 517677960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 169, 184, 195, 230, 260, 276, 299, 312, 338, 345, 390, 460, 463, 507, 520, 552, 598, 676, 690, 780, 845, 897, 920, 926, 1014, 1196, 1352, 1380, 1389, 1495, 1560, 1690, 1794, 1852, 2028, 2315, 2392, 2535, 2760, 2778, 2990, 3380, 3588, 3704, 3887, 4056, 4485, 4630, 5070, 5556, 5980, 6019, 6760, 6945, 7176, 7774, 8970, 9260, 10140, 10649, 11112, 11661, 11960, 12038, 13890, 15548, 17940, 18057, 18520, 19435, 20280, 21298, 23322, 24076, 27780, 30095, 31096, 31947, 35880, 36114, 38870, 42596, 46644, 48152, 53245, 55560, 58305, 60190, 63894, 72228, 77740, 78247, 85192, 90285, 93288, 106490, 116610, 120380, 127788, 138437, 144456, 155480, 156494, 159735, 180570, 212980, 233220, 234741, 240760, 255576, 276874, 312988, 319470, 361140, 391235, 415311, 425960, 466440, 469482, 553748, 625976, 638940, 692185, 722280, 782470, 830622, 938964, 1107496, 1173705, 1277880, 1384370, 1564940, 1661244, 1799681, 1877928, 2076555, 2347410, 2768740, 3129880, 3322488, 3599362, 4153110, 4694820, 5399043, 5537480, 7198724, 8306220, 8998405, 9389640, 10798086, 14397448, 16612440, 17996810, 21596172, 26995215, 35993620, 43192344, 53990430, 71987240, 107980860, 215961720]

約数ペア:

[(1, 215961720), (2, 107980860), (3, 71987240), (4, 53990430), (5, 43192344), (6, 35993620), (8, 26995215), (10, 21596172), (12, 17996810), (13, 16612440), (15, 14397448), (20, 10798086), (23, 9389640), (24, 8998405), (26, 8306220), (30, 7198724), (39, 5537480), (40, 5399043), (46, 4694820), (52, 4153110), (60, 3599362), (65, 3322488), (69, 3129880), (78, 2768740), (92, 2347410), (104, 2076555), (115, 1877928), (120, 1799681), (130, 1661244), (138, 1564940), (156, 1384370), (169, 1277880), (184, 1173705), (195, 1107496), (230, 938964), (260, 830622), (276, 782470), (299, 722280), (312, 692185), (338, 638940), (345, 625976), (390, 553748), (460, 469482), (463, 466440), (507, 425960), (520, 415311), (552, 391235), (598, 361140), (676, 319470), (690, 312988), (780, 276874), (845, 255576), (897, 240760), (920, 234741), (926, 233220), (1014, 212980), (1196, 180570), (1352, 159735), (1380, 156494), (1389, 155480), (1495, 144456), (1560, 138437), (1690, 127788), (1794, 120380), (1852, 116610), (2028, 106490), (2315, 93288), (2392, 90285), (2535, 85192), (2760, 78247), (2778, 77740), (2990, 72228), (3380, 63894), (3588, 60190), (3704, 58305), (3887, 55560), (4056, 53245), (4485, 48152), (4630, 46644), (5070, 42596), (5556, 38870), (5980, 36114), (6019, 35880), (6760, 31947), (6945, 31096), (7176, 30095), (7774, 27780), (8970, 24076), (9260, 23322), (10140, 21298), (10649, 20280), (11112, 19435), (11661, 18520), (11960, 18057), (12038, 17940), (13890, 15548)]