31857840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^3\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 320

約数和(自身を含む): 130944000

約数和(自身を除く): 99086160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 98, 105, 108, 112, 120, 126, 129, 135, 140, 144, 147, 168, 172, 180, 189, 196, 210, 215, 216, 240, 245, 252, 258, 270, 280, 294, 301, 315, 336, 343, 344, 360, 378, 387, 392, 420, 430, 432, 441, 490, 504, 516, 540, 560, 588, 602, 630, 645, 686, 688, 720, 735, 756, 774, 784, 840, 860, 882, 903, 945, 980, 1008, 1029, 1032, 1080, 1161, 1176, 1204, 1260, 1290, 1323, 1372, 1470, 1505, 1512, 1548, 1680, 1715, 1720, 1764, 1806, 1890, 1935, 1960, 2058, 2064, 2107, 2160, 2205, 2322, 2352, 2408, 2520, 2580, 2646, 2709, 2744, 2940, 3010, 3024, 3087, 3096, 3430, 3440, 3528, 3612, 3780, 3870, 3920, 4116, 4214, 4410, 4515, 4644, 4816, 5040, 5145, 5160, 5292, 5418, 5488, 5805, 5880, 6020, 6174, 6192, 6321, 6615, 6860, 7056, 7224, 7560, 7740, 8127, 8232, 8428, 8820, 9030, 9261, 9288, 10290, 10320, 10535, 10584, 10836, 11610, 11760, 12040, 12348, 12642, 13230, 13545, 13720, 14448, 14749, 15120, 15435, 15480, 16254, 16464, 16856, 17640, 18060, 18522, 18576, 18963, 20580, 21070, 21168, 21672, 23220, 24080, 24696, 25284, 26460, 27090, 27440, 29498, 30870, 30960, 31605, 32508, 33712, 35280, 36120, 37044, 37926, 40635, 41160, 42140, 43344, 44247, 46305, 46440, 49392, 50568, 52920, 54180, 56889, 58996, 61740, 63210, 65016, 72240, 73745, 74088, 75852, 81270, 82320, 84280, 88494, 92610, 92880, 94815, 101136, 105840, 108360, 113778, 117992, 123480, 126420, 130032, 132741, 147490, 148176, 151704, 162540, 168560, 176988, 185220, 189630, 216720, 221235, 227556, 235984, 246960, 252840, 265482, 284445, 294980, 303408, 325080, 353976, 370440, 379260, 398223, 442470, 455112, 505680, 530964, 568890, 589960, 650160, 663705, 707952, 740880, 758520, 796446, 884940, 910224, 1061928, 1137780, 1179920, 1327410, 1517040, 1592892, 1769880, 1991115, 2123856, 2275560, 2654820, 3185784, 3539760, 3982230, 4551120, 5309640, 6371568, 7964460, 10619280, 15928920, 31857840]

約数ペア:

[(1, 31857840), (2, 15928920), (3, 10619280), (4, 7964460), (5, 6371568), (6, 5309640), (7, 4551120), (8, 3982230), (9, 3539760), (10, 3185784), (12, 2654820), (14, 2275560), (15, 2123856), (16, 1991115), (18, 1769880), (20, 1592892), (21, 1517040), (24, 1327410), (27, 1179920), (28, 1137780), (30, 1061928), (35, 910224), (36, 884940), (40, 796446), (42, 758520), (43, 740880), (45, 707952), (48, 663705), (49, 650160), (54, 589960), (56, 568890), (60, 530964), (63, 505680), (70, 455112), (72, 442470), (80, 398223), (84, 379260), (86, 370440), (90, 353976), (98, 325080), (105, 303408), (108, 294980), (112, 284445), (120, 265482), (126, 252840), (129, 246960), (135, 235984), (140, 227556), (144, 221235), (147, 216720), (168, 189630), (172, 185220), (180, 176988), (189, 168560), (196, 162540), (210, 151704), (215, 148176), (216, 147490), (240, 132741), (245, 130032), (252, 126420), (258, 123480), (270, 117992), (280, 113778), (294, 108360), (301, 105840), (315, 101136), (336, 94815), (343, 92880), (344, 92610), (360, 88494), (378, 84280), (387, 82320), (392, 81270), (420, 75852), (430, 74088), (432, 73745), (441, 72240), (490, 65016), (504, 63210), (516, 61740), (540, 58996), (560, 56889), (588, 54180), (602, 52920), (630, 50568), (645, 49392), (686, 46440), (688, 46305), (720, 44247), (735, 43344), (756, 42140), (774, 41160), (784, 40635), (840, 37926), (860, 37044), (882, 36120), (903, 35280), (945, 33712), (980, 32508), (1008, 31605), (1029, 30960), (1032, 30870), (1080, 29498), (1161, 27440), (1176, 27090), (1204, 26460), (1260, 25284), (1290, 24696), (1323, 24080), (1372, 23220), (1470, 21672), (1505, 21168), (1512, 21070), (1548, 20580), (1680, 18963), (1715, 18576), (1720, 18522), (1764, 18060), (1806, 17640), (1890, 16856), (1935, 16464), (1960, 16254), (2058, 15480), (2064, 15435), (2107, 15120), (2160, 14749), (2205, 14448), (2322, 13720), (2352, 13545), (2408, 13230), (2520, 12642), (2580, 12348), (2646, 12040), (2709, 11760), (2744, 11610), (2940, 10836), (3010, 10584), (3024, 10535), (3087, 10320), (3096, 10290), (3430, 9288), (3440, 9261), (3528, 9030), (3612, 8820), (3780, 8428), (3870, 8232), (3920, 8127), (4116, 7740), (4214, 7560), (4410, 7224), (4515, 7056), (4644, 6860), (4816, 6615), (5040, 6321), (5145, 6192), (5160, 6174), (5292, 6020), (5418, 5880), (5488, 5805)]