81921000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 301916160

約数和(自身を除く): 219995160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 50, 56, 60, 70, 75, 83, 84, 94, 100, 105, 120, 125, 140, 141, 150, 166, 168, 175, 188, 200, 210, 235, 249, 250, 280, 282, 300, 329, 332, 350, 375, 376, 415, 420, 470, 498, 500, 525, 564, 581, 600, 658, 664, 700, 705, 750, 830, 840, 875, 940, 987, 996, 1000, 1050, 1128, 1162, 1175, 1245, 1316, 1400, 1410, 1500, 1645, 1660, 1743, 1750, 1880, 1974, 1992, 2075, 2100, 2324, 2350, 2490, 2625, 2632, 2820, 2905, 3000, 3290, 3320, 3486, 3500, 3525, 3901, 3948, 4150, 4200, 4648, 4700, 4935, 4980, 5250, 5640, 5810, 5875, 6225, 6580, 6972, 7000, 7050, 7802, 7896, 8225, 8300, 8715, 9400, 9870, 9960, 10375, 10500, 11620, 11703, 11750, 12450, 13160, 13944, 14100, 14525, 15604, 16450, 16600, 17430, 17625, 19505, 19740, 20750, 21000, 23240, 23406, 23500, 24675, 24900, 27307, 28200, 29050, 31125, 31208, 32900, 34860, 35250, 39010, 39480, 41125, 41500, 43575, 46812, 47000, 49350, 49800, 54614, 58100, 58515, 62250, 65800, 69720, 70500, 72625, 78020, 81921, 82250, 83000, 87150, 93624, 97525, 98700, 109228, 116200, 117030, 123375, 124500, 136535, 141000, 145250, 156040, 163842, 164500, 174300, 195050, 197400, 217875, 218456, 234060, 246750, 249000, 273070, 290500, 292575, 327684, 329000, 348600, 390100, 409605, 435750, 468120, 487625, 493500, 546140, 581000, 585150, 655368, 682675, 780200, 819210, 871500, 975250, 987000, 1092280, 1170300, 1365350, 1462875, 1638420, 1743000, 1950500, 2048025, 2340600, 2730700, 2925750, 3276840, 3413375, 3901000, 4096050, 5461400, 5851500, 6826750, 8192100, 10240125, 11703000, 13653500, 16384200, 20480250, 27307000, 40960500, 81921000]

約数ペア:

[(1, 81921000), (2, 40960500), (3, 27307000), (4, 20480250), (5, 16384200), (6, 13653500), (7, 11703000), (8, 10240125), (10, 8192100), (12, 6826750), (14, 5851500), (15, 5461400), (20, 4096050), (21, 3901000), (24, 3413375), (25, 3276840), (28, 2925750), (30, 2730700), (35, 2340600), (40, 2048025), (42, 1950500), (47, 1743000), (50, 1638420), (56, 1462875), (60, 1365350), (70, 1170300), (75, 1092280), (83, 987000), (84, 975250), (94, 871500), (100, 819210), (105, 780200), (120, 682675), (125, 655368), (140, 585150), (141, 581000), (150, 546140), (166, 493500), (168, 487625), (175, 468120), (188, 435750), (200, 409605), (210, 390100), (235, 348600), (249, 329000), (250, 327684), (280, 292575), (282, 290500), (300, 273070), (329, 249000), (332, 246750), (350, 234060), (375, 218456), (376, 217875), (415, 197400), (420, 195050), (470, 174300), (498, 164500), (500, 163842), (525, 156040), (564, 145250), (581, 141000), (600, 136535), (658, 124500), (664, 123375), (700, 117030), (705, 116200), (750, 109228), (830, 98700), (840, 97525), (875, 93624), (940, 87150), (987, 83000), (996, 82250), (1000, 81921), (1050, 78020), (1128, 72625), (1162, 70500), (1175, 69720), (1245, 65800), (1316, 62250), (1400, 58515), (1410, 58100), (1500, 54614), (1645, 49800), (1660, 49350), (1743, 47000), (1750, 46812), (1880, 43575), (1974, 41500), (1992, 41125), (2075, 39480), (2100, 39010), (2324, 35250), (2350, 34860), (2490, 32900), (2625, 31208), (2632, 31125), (2820, 29050), (2905, 28200), (3000, 27307), (3290, 24900), (3320, 24675), (3486, 23500), (3500, 23406), (3525, 23240), (3901, 21000), (3948, 20750), (4150, 19740), (4200, 19505), (4648, 17625), (4700, 17430), (4935, 16600), (4980, 16450), (5250, 15604), (5640, 14525), (5810, 14100), (5875, 13944), (6225, 13160), (6580, 12450), (6972, 11750), (7000, 11703), (7050, 11620), (7802, 10500), (7896, 10375), (8225, 9960), (8300, 9870), (8715, 9400)]