About the Number

71680140

71680139 ← → 71680141

2進数表記:100010001011100000010001100

漢数字表記:七千百六十八万百四十

素因数分解:

2 2 × 3 5 × 5 1 × 7 3 × 43 1

素因数の和:88
約数の個数: 288
約数和(自身を含む): 269068800
約数和(自身を除く): 197388660

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 49, 54, 60, 63, 70, 81, 84, 86, 90, 98, 105, 108, 126, 129, 135, 140, 147, 162, 172, 180, 189, 196, 210, 215, 243, 245, 252, 258, 270, 294, 301, 315, 324, 343, 378, 387, 405, 420, 430, 441, 486, 490, 516, 540, 567, 588, 602, 630, 645, 686, 735, 756, 774, 810, 860, 882, 903, 945, 972, 980, 1029, 1134, 1161, 1204, 1215, 1260, 1290, 1323, 1372, 1470, 1505, 1548, 1620, 1701, 1715, 1764, 1806, 1890, 1935, 2058, 2107, 2205, 2268, 2322, 2430, 2580, 2646, 2709, 2835, 2940, 3010, 3087, 3402, 3430, 3483, 3612, 3780, 3870, 3969, 4116, 4214, 4410, 4515, 4644, 4860, 5145, 5292, 5418, 5670, 5805, 6020, 6174, 6321, 6615, 6804, 6860, 6966, 7740, 7938, 8127, 8428, 8505, 8820, 9030, 9261, 10290, 10449, 10535, 10836, 11340, 11610, 11907, 12348, 12642, 13230, 13545, 13932, 14749, 15435, 15876, 16254, 17010, 17415, 18060, 18522, 18963, 19845, 20580, 20898, 21070, 23220, 23814, 24381, 25284, 26460, 27090, 27783, 29498, 30870, 31605, 32508, 34020, 34830, 37044, 37926, 39690, 40635, 41796, 42140, 44247, 46305, 47628, 48762, 52245, 54180, 55566, 56889, 58996, 59535, 61740, 63210, 69660, 73143, 73745, 75852, 79380, 81270, 83349, 88494, 92610, 94815, 97524, 104490, 111132, 113778, 119070, 121905, 126420, 132741, 138915, 146286, 147490, 162540, 166698, 170667, 176988, 185220, 189630, 208980, 221235, 227556, 238140, 243810, 265482, 277830, 284445, 292572, 294980, 333396, 341334, 365715, 379260, 398223, 416745, 442470, 487620, 512001, 530964, 555660, 568890, 663705, 682668, 731430, 796446, 833490, 853335, 884940, 1024002, 1137780, 1194669, 1327410, 1462860, 1592892, 1666980, 1706670, 1991115, 2048004, 2389338, 2560005, 2654820, 3413340, 3584007, 3982230, 4778676, 5120010, 5973345, 7168014, 7964460, 10240020, 11946690, 14336028, 17920035, 23893380, 35840070, 71680140]

約数ペア:
[(1, 71680140), (2, 35840070), (3, 23893380), (4, 17920035), (5, 14336028), (6, 11946690), (7, 10240020), (9, 7964460), (10, 7168014), (12, 5973345), (14, 5120010), (15, 4778676), (18, 3982230), (20, 3584007), (21, 3413340), (27, 2654820), (28, 2560005), (30, 2389338), (35, 2048004), (36, 1991115), (42, 1706670), (43, 1666980), (45, 1592892), (49, 1462860), (54, 1327410), (60, 1194669), (63, 1137780), (70, 1024002), (81, 884940), (84, 853335), (86, 833490), (90, 796446), (98, 731430), (105, 682668), (108, 663705), (126, 568890), (129, 555660), (135, 530964), (140, 512001), (147, 487620), (162, 442470), (172, 416745), (180, 398223), (189, 379260), (196, 365715), (210, 341334), (215, 333396), (243, 294980), (245, 292572), (252, 284445), (258, 277830), (270, 265482), (294, 243810), (301, 238140), (315, 227556), (324, 221235), (343, 208980), (378, 189630), (387, 185220), (405, 176988), (420, 170667), (430, 166698), (441, 162540), (486, 147490), (490, 146286), (516, 138915), (540, 132741), (567, 126420), (588, 121905), (602, 119070), (630, 113778), (645, 111132), (686, 104490), (735, 97524), (756, 94815), (774, 92610), (810, 88494), (860, 83349), (882, 81270), (903, 79380), (945, 75852), (972, 73745), (980, 73143), (1029, 69660), (1134, 63210), (1161, 61740), (1204, 59535), (1215, 58996), (1260, 56889), (1290, 55566), (1323, 54180), (1372, 52245), (1470, 48762), (1505, 47628), (1548, 46305), (1620, 44247), (1701, 42140), (1715, 41796), (1764, 40635), (1806, 39690), (1890, 37926), (1935, 37044), (2058, 34830), (2107, 34020), (2205, 32508), (2268, 31605), (2322, 30870), (2430, 29498), (2580, 27783), (2646, 27090), (2709, 26460), (2835, 25284), (2940, 24381), (3010, 23814), (3087, 23220), (3402, 21070), (3430, 20898), (3483, 20580), (3612, 19845), (3780, 18963), (3870, 18522), (3969, 18060), (4116, 17415), (4214, 17010), (4410, 16254), (4515, 15876), (4644, 15435), (4860, 14749), (5145, 13932), (5292, 13545), (5418, 13230), (5670, 12642), (5805, 12348), (6020, 11907), (6174, 11610), (6321, 11340), (6615, 10836), (6804, 10535), (6860, 10449), (6966, 10290), (7740, 9261), (7938, 9030), (8127, 8820), (8428, 8505)]

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