81893760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 299194560

約数和(自身を除く): 217300800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 193, 195, 204, 208, 221, 240, 255, 260, 272, 312, 320, 340, 384, 386, 390, 408, 416, 442, 480, 510, 520, 544, 579, 624, 640, 663, 680, 772, 780, 816, 832, 884, 960, 965, 1020, 1040, 1088, 1105, 1158, 1248, 1326, 1360, 1544, 1560, 1632, 1664, 1768, 1920, 1930, 2040, 2080, 2176, 2210, 2316, 2496, 2509, 2652, 2720, 2895, 3088, 3120, 3264, 3281, 3315, 3536, 3860, 4080, 4160, 4420, 4632, 4992, 5018, 5304, 5440, 5790, 6176, 6240, 6528, 6562, 6630, 7072, 7527, 7720, 8160, 8320, 8840, 9264, 9843, 10036, 10608, 10880, 11580, 12352, 12480, 12545, 13124, 13260, 14144, 15054, 15440, 16320, 16405, 17680, 18528, 19686, 20072, 21216, 23160, 24704, 24960, 25090, 26248, 26520, 28288, 30108, 30880, 32640, 32810, 35360, 37056, 37635, 39372, 40144, 42432, 42653, 46320, 49215, 50180, 52496, 53040, 60216, 61760, 65620, 70720, 74112, 75270, 78744, 80288, 84864, 85306, 92640, 98430, 100360, 104992, 106080, 120432, 123520, 127959, 131240, 141440, 150540, 157488, 160576, 170612, 185280, 196860, 200720, 209984, 212160, 213265, 240864, 255918, 262480, 301080, 314976, 321152, 341224, 370560, 393720, 401440, 419968, 424320, 426530, 481728, 511836, 524960, 602160, 629952, 639795, 682448, 787440, 802880, 853060, 963456, 1023672, 1049920, 1204320, 1259904, 1279590, 1364896, 1574880, 1605760, 1706120, 2047344, 2099840, 2408640, 2559180, 2729792, 3149760, 3412240, 4094688, 4817280, 5118360, 5459584, 6299520, 6824480, 8189376, 10236720, 13648960, 16378752, 20473440, 27297920, 40946880, 81893760]

約数ペア:

[(1, 81893760), (2, 40946880), (3, 27297920), (4, 20473440), (5, 16378752), (6, 13648960), (8, 10236720), (10, 8189376), (12, 6824480), (13, 6299520), (15, 5459584), (16, 5118360), (17, 4817280), (20, 4094688), (24, 3412240), (26, 3149760), (30, 2729792), (32, 2559180), (34, 2408640), (39, 2099840), (40, 2047344), (48, 1706120), (51, 1605760), (52, 1574880), (60, 1364896), (64, 1279590), (65, 1259904), (68, 1204320), (78, 1049920), (80, 1023672), (85, 963456), (96, 853060), (102, 802880), (104, 787440), (120, 682448), (128, 639795), (130, 629952), (136, 602160), (156, 524960), (160, 511836), (170, 481728), (192, 426530), (193, 424320), (195, 419968), (204, 401440), (208, 393720), (221, 370560), (240, 341224), (255, 321152), (260, 314976), (272, 301080), (312, 262480), (320, 255918), (340, 240864), (384, 213265), (386, 212160), (390, 209984), (408, 200720), (416, 196860), (442, 185280), (480, 170612), (510, 160576), (520, 157488), (544, 150540), (579, 141440), (624, 131240), (640, 127959), (663, 123520), (680, 120432), (772, 106080), (780, 104992), (816, 100360), (832, 98430), (884, 92640), (960, 85306), (965, 84864), (1020, 80288), (1040, 78744), (1088, 75270), (1105, 74112), (1158, 70720), (1248, 65620), (1326, 61760), (1360, 60216), (1544, 53040), (1560, 52496), (1632, 50180), (1664, 49215), (1768, 46320), (1920, 42653), (1930, 42432), (2040, 40144), (2080, 39372), (2176, 37635), (2210, 37056), (2316, 35360), (2496, 32810), (2509, 32640), (2652, 30880), (2720, 30108), (2895, 28288), (3088, 26520), (3120, 26248), (3264, 25090), (3281, 24960), (3315, 24704), (3536, 23160), (3860, 21216), (4080, 20072), (4160, 19686), (4420, 18528), (4632, 17680), (4992, 16405), (5018, 16320), (5304, 15440), (5440, 15054), (5790, 14144), (6176, 13260), (6240, 13124), (6528, 12545), (6562, 12480), (6630, 12352), (7072, 11580), (7527, 10880), (7720, 10608), (8160, 10036), (8320, 9843), (8840, 9264)]