78748320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1067

約数の個数: 192

約数和(自身を含む): 296110080

約数和(自身を除く): 217361760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1019, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2038, 2208, 2415, 2576, 2760, 3057, 3220, 3360, 3680, 3864, 4076, 4830, 5095, 5152, 5520, 6114, 6440, 7133, 7728, 8152, 9660, 10190, 11040, 12228, 12880, 14266, 15285, 15456, 16304, 19320, 20380, 21399, 23437, 24456, 25760, 28532, 30570, 32608, 35665, 38640, 40760, 42798, 46874, 48912, 57064, 61140, 70311, 71330, 77280, 81520, 85596, 93748, 97824, 106995, 114128, 117185, 122280, 140622, 142660, 163040, 164059, 171192, 187496, 213990, 228256, 234370, 244560, 281244, 285320, 328118, 342384, 351555, 374992, 427980, 468740, 489120, 492177, 562488, 570640, 656236, 684768, 703110, 749984, 820295, 855960, 937480, 984354, 1124976, 1141280, 1312472, 1406220, 1640590, 1711920, 1874960, 1968708, 2249952, 2460885, 2624944, 2812440, 3281180, 3423840, 3749920, 3937416, 4921770, 5249888, 5624880, 6562360, 7874832, 9843540, 11249760, 13124720, 15749664, 19687080, 26249440, 39374160, 78748320]

約数ペア:

[(1, 78748320), (2, 39374160), (3, 26249440), (4, 19687080), (5, 15749664), (6, 13124720), (7, 11249760), (8, 9843540), (10, 7874832), (12, 6562360), (14, 5624880), (15, 5249888), (16, 4921770), (20, 3937416), (21, 3749920), (23, 3423840), (24, 3281180), (28, 2812440), (30, 2624944), (32, 2460885), (35, 2249952), (40, 1968708), (42, 1874960), (46, 1711920), (48, 1640590), (56, 1406220), (60, 1312472), (69, 1141280), (70, 1124976), (80, 984354), (84, 937480), (92, 855960), (96, 820295), (105, 749984), (112, 703110), (115, 684768), (120, 656236), (138, 570640), (140, 562488), (160, 492177), (161, 489120), (168, 468740), (184, 427980), (210, 374992), (224, 351555), (230, 342384), (240, 328118), (276, 285320), (280, 281244), (322, 244560), (336, 234370), (345, 228256), (368, 213990), (420, 187496), (460, 171192), (480, 164059), (483, 163040), (552, 142660), (560, 140622), (644, 122280), (672, 117185), (690, 114128), (736, 106995), (805, 97824), (840, 93748), (920, 85596), (966, 81520), (1019, 77280), (1104, 71330), (1120, 70311), (1288, 61140), (1380, 57064), (1610, 48912), (1680, 46874), (1840, 42798), (1932, 40760), (2038, 38640), (2208, 35665), (2415, 32608), (2576, 30570), (2760, 28532), (3057, 25760), (3220, 24456), (3360, 23437), (3680, 21399), (3864, 20380), (4076, 19320), (4830, 16304), (5095, 15456), (5152, 15285), (5520, 14266), (6114, 12880), (6440, 12228), (7133, 11040), (7728, 10190), (8152, 9660)]