31133970

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 106983360

約数和(自身を除く): 75849390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 27, 30, 34, 35, 38, 42, 45, 51, 54, 57, 63, 70, 81, 85, 90, 95, 102, 105, 114, 119, 126, 133, 135, 153, 162, 170, 171, 189, 190, 210, 238, 255, 266, 270, 285, 289, 306, 315, 323, 342, 357, 378, 399, 405, 459, 510, 513, 567, 570, 578, 595, 630, 646, 665, 714, 765, 798, 810, 855, 867, 918, 945, 969, 1026, 1071, 1134, 1190, 1197, 1330, 1377, 1445, 1530, 1539, 1615, 1710, 1734, 1785, 1890, 1938, 1995, 2023, 2142, 2261, 2295, 2394, 2565, 2601, 2754, 2835, 2890, 2907, 3078, 3213, 3230, 3570, 3591, 3990, 4046, 4335, 4522, 4590, 4845, 5130, 5202, 5355, 5491, 5670, 5814, 5985, 6069, 6426, 6783, 6885, 7182, 7695, 7803, 8670, 8721, 9639, 9690, 10115, 10710, 10773, 10982, 11305, 11970, 12138, 13005, 13566, 13770, 14535, 15390, 15606, 16065, 16473, 17442, 17955, 18207, 19278, 20230, 20349, 21546, 22610, 23409, 26010, 26163, 27455, 29070, 30345, 32130, 32946, 33915, 35910, 36414, 38437, 39015, 40698, 43605, 46818, 48195, 49419, 52326, 53865, 54621, 54910, 60690, 61047, 67830, 76874, 78030, 82365, 87210, 91035, 96390, 98838, 101745, 107730, 109242, 115311, 117045, 122094, 130815, 148257, 163863, 164730, 182070, 183141, 192185, 203490, 230622, 234090, 247095, 261630, 273105, 296514, 305235, 327726, 345933, 366282, 384370, 444771, 494190, 546210, 576555, 610470, 691866, 741285, 819315, 889542, 915705, 1037799, 1153110, 1482570, 1638630, 1729665, 1831410, 2075598, 2223855, 3113397, 3459330, 4447710, 5188995, 6226794, 10377990, 15566985, 31133970]

約数ペア:

[(1, 31133970), (2, 15566985), (3, 10377990), (5, 6226794), (6, 5188995), (7, 4447710), (9, 3459330), (10, 3113397), (14, 2223855), (15, 2075598), (17, 1831410), (18, 1729665), (19, 1638630), (21, 1482570), (27, 1153110), (30, 1037799), (34, 915705), (35, 889542), (38, 819315), (42, 741285), (45, 691866), (51, 610470), (54, 576555), (57, 546210), (63, 494190), (70, 444771), (81, 384370), (85, 366282), (90, 345933), (95, 327726), (102, 305235), (105, 296514), (114, 273105), (119, 261630), (126, 247095), (133, 234090), (135, 230622), (153, 203490), (162, 192185), (170, 183141), (171, 182070), (189, 164730), (190, 163863), (210, 148257), (238, 130815), (255, 122094), (266, 117045), (270, 115311), (285, 109242), (289, 107730), (306, 101745), (315, 98838), (323, 96390), (342, 91035), (357, 87210), (378, 82365), (399, 78030), (405, 76874), (459, 67830), (510, 61047), (513, 60690), (567, 54910), (570, 54621), (578, 53865), (595, 52326), (630, 49419), (646, 48195), (665, 46818), (714, 43605), (765, 40698), (798, 39015), (810, 38437), (855, 36414), (867, 35910), (918, 33915), (945, 32946), (969, 32130), (1026, 30345), (1071, 29070), (1134, 27455), (1190, 26163), (1197, 26010), (1330, 23409), (1377, 22610), (1445, 21546), (1530, 20349), (1539, 20230), (1615, 19278), (1710, 18207), (1734, 17955), (1785, 17442), (1890, 16473), (1938, 16065), (1995, 15606), (2023, 15390), (2142, 14535), (2261, 13770), (2295, 13566), (2394, 13005), (2565, 12138), (2601, 11970), (2754, 11305), (2835, 10982), (2890, 10773), (2907, 10710), (3078, 10115), (3213, 9690), (3230, 9639), (3570, 8721), (3591, 8670), (3990, 7803), (4046, 7695), (4335, 7182), (4522, 6885), (4590, 6783), (4845, 6426), (5130, 6069), (5202, 5985), (5355, 5814), (5491, 5670)]