18695921440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1987}}^1$

素因数の和:2311

約数の個数: 192

約数和(自身を含む): 52325941248

約数和(自身を除く): 33630019808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 271, 280, 310, 434, 496, 542, 560, 620, 868, 992, 1084, 1085, 1120, 1240, 1355, 1736, 1897, 1987, 2168, 2170, 2480, 2710, 3472, 3794, 3974, 4336, 4340, 4960, 5420, 6944, 7588, 7948, 8401, 8672, 8680, 9485, 9935, 10840, 13909, 15176, 15896, 16802, 17360, 18970, 19870, 21680, 27818, 30352, 31792, 33604, 34720, 37940, 39740, 42005, 43360, 55636, 58807, 60704, 61597, 63584, 67208, 69545, 75880, 79480, 84010, 111272, 117614, 123194, 134416, 139090, 151760, 158960, 168020, 222544, 235228, 246388, 268832, 278180, 294035, 303520, 307985, 317920, 336040, 431179, 445088, 470456, 492776, 538477, 556360, 588070, 615970, 672080, 862358, 940912, 985552, 1076954, 1112720, 1176140, 1231940, 1344160, 1724716, 1881824, 1971104, 2153908, 2155895, 2225440, 2352280, 2463880, 2692385, 3449432, 3769339, 4307816, 4311790, 4704560, 4927760, 5384770, 6898864, 7538678, 8615632, 8623580, 9409120, 9855520, 10769540, 13797728, 15077356, 16692787, 17231264, 17247160, 18846695, 21539080, 30154712, 33385574, 34494320, 37693390, 43078160, 60309424, 66771148, 68988640, 75386780, 83463935, 86156320, 116849509, 120618848, 133542296, 150773560, 166927870, 233699018, 267084592, 301547120, 333855740, 467398036, 534169184, 584247545, 603094240, 667711480, 934796072, 1168495090, 1335422960, 1869592144, 2336990180, 2670845920, 3739184288, 4673980360, 9347960720, 18695921440]

約数ペア:

[(1, 18695921440), (2, 9347960720), (4, 4673980360), (5, 3739184288), (7, 2670845920), (8, 2336990180), (10, 1869592144), (14, 1335422960), (16, 1168495090), (20, 934796072), (28, 667711480), (31, 603094240), (32, 584247545), (35, 534169184), (40, 467398036), (56, 333855740), (62, 301547120), (70, 267084592), (80, 233699018), (112, 166927870), (124, 150773560), (140, 133542296), (155, 120618848), (160, 116849509), (217, 86156320), (224, 83463935), (248, 75386780), (271, 68988640), (280, 66771148), (310, 60309424), (434, 43078160), (496, 37693390), (542, 34494320), (560, 33385574), (620, 30154712), (868, 21539080), (992, 18846695), (1084, 17247160), (1085, 17231264), (1120, 16692787), (1240, 15077356), (1355, 13797728), (1736, 10769540), (1897, 9855520), (1987, 9409120), (2168, 8623580), (2170, 8615632), (2480, 7538678), (2710, 6898864), (3472, 5384770), (3794, 4927760), (3974, 4704560), (4336, 4311790), (4340, 4307816), (4960, 3769339), (5420, 3449432), (6944, 2692385), (7588, 2463880), (7948, 2352280), (8401, 2225440), (8672, 2155895), (8680, 2153908), (9485, 1971104), (9935, 1881824), (10840, 1724716), (13909, 1344160), (15176, 1231940), (15896, 1176140), (16802, 1112720), (17360, 1076954), (18970, 985552), (19870, 940912), (21680, 862358), (27818, 672080), (30352, 615970), (31792, 588070), (33604, 556360), (34720, 538477), (37940, 492776), (39740, 470456), (42005, 445088), (43360, 431179), (55636, 336040), (58807, 317920), (60704, 307985), (61597, 303520), (63584, 294035), (67208, 278180), (69545, 268832), (75880, 246388), (79480, 235228), (84010, 222544), (111272, 168020), (117614, 158960), (123194, 151760), (134416, 139090)]