31363920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 240

約数和(自身を含む): 123801600

約数和(自身を除く): 92437680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 127, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 254, 280, 294, 315, 336, 343, 360, 381, 392, 420, 441, 490, 504, 508, 560, 588, 630, 635, 686, 720, 735, 762, 784, 840, 882, 889, 980, 1008, 1016, 1029, 1143, 1176, 1260, 1270, 1372, 1470, 1524, 1680, 1715, 1764, 1778, 1905, 1960, 2032, 2058, 2205, 2286, 2352, 2520, 2540, 2667, 2744, 2940, 3048, 3087, 3430, 3528, 3556, 3810, 3920, 4116, 4410, 4445, 4572, 5040, 5080, 5145, 5334, 5488, 5715, 5880, 6096, 6174, 6223, 6860, 7056, 7112, 7620, 8001, 8232, 8820, 8890, 9144, 10160, 10290, 10668, 11430, 11760, 12348, 12446, 13335, 13720, 14224, 15240, 15435, 16002, 16464, 17640, 17780, 18288, 18669, 20580, 21336, 22860, 24696, 24892, 26670, 27440, 30480, 30870, 31115, 32004, 35280, 35560, 37338, 40005, 41160, 42672, 43561, 45720, 49392, 49784, 53340, 56007, 61740, 62230, 64008, 71120, 74676, 80010, 82320, 87122, 91440, 93345, 99568, 106680, 112014, 123480, 124460, 128016, 130683, 149352, 160020, 174244, 186690, 213360, 217805, 224028, 246960, 248920, 261366, 280035, 298704, 320040, 348488, 373380, 392049, 435610, 448056, 497840, 522732, 560070, 640080, 653415, 696976, 746760, 784098, 871220, 896112, 1045464, 1120140, 1306830, 1493520, 1568196, 1742440, 1960245, 2090928, 2240280, 2613660, 3136392, 3484880, 3920490, 4480560, 5227320, 6272784, 7840980, 10454640, 15681960, 31363920]

約数ペア:

[(1, 31363920), (2, 15681960), (3, 10454640), (4, 7840980), (5, 6272784), (6, 5227320), (7, 4480560), (8, 3920490), (9, 3484880), (10, 3136392), (12, 2613660), (14, 2240280), (15, 2090928), (16, 1960245), (18, 1742440), (20, 1568196), (21, 1493520), (24, 1306830), (28, 1120140), (30, 1045464), (35, 896112), (36, 871220), (40, 784098), (42, 746760), (45, 696976), (48, 653415), (49, 640080), (56, 560070), (60, 522732), (63, 497840), (70, 448056), (72, 435610), (80, 392049), (84, 373380), (90, 348488), (98, 320040), (105, 298704), (112, 280035), (120, 261366), (126, 248920), (127, 246960), (140, 224028), (144, 217805), (147, 213360), (168, 186690), (180, 174244), (196, 160020), (210, 149352), (240, 130683), (245, 128016), (252, 124460), (254, 123480), (280, 112014), (294, 106680), (315, 99568), (336, 93345), (343, 91440), (360, 87122), (381, 82320), (392, 80010), (420, 74676), (441, 71120), (490, 64008), (504, 62230), (508, 61740), (560, 56007), (588, 53340), (630, 49784), (635, 49392), (686, 45720), (720, 43561), (735, 42672), (762, 41160), (784, 40005), (840, 37338), (882, 35560), (889, 35280), (980, 32004), (1008, 31115), (1016, 30870), (1029, 30480), (1143, 27440), (1176, 26670), (1260, 24892), (1270, 24696), (1372, 22860), (1470, 21336), (1524, 20580), (1680, 18669), (1715, 18288), (1764, 17780), (1778, 17640), (1905, 16464), (1960, 16002), (2032, 15435), (2058, 15240), (2205, 14224), (2286, 13720), (2352, 13335), (2520, 12446), (2540, 12348), (2667, 11760), (2744, 11430), (2940, 10668), (3048, 10290), (3087, 10160), (3430, 9144), (3528, 8890), (3556, 8820), (3810, 8232), (3920, 8001), (4116, 7620), (4410, 7112), (4445, 7056), (4572, 6860), (5040, 6223), (5080, 6174), (5145, 6096), (5334, 5880), (5488, 5715)]