31387403280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{248161}}^1$

素因数の和:248225

約数の個数: 160

約数和(自身を含む): 106348336128

約数和(自身を除く): 74960932848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2480, 2635, 3162, 3720, 4080, 4216, 5270, 6324, 7440, 7905, 8432, 10540, 12648, 15810, 21080, 25296, 31620, 42160, 63240, 126480, 248161, 496322, 744483, 992644, 1240805, 1488966, 1985288, 2481610, 2977932, 3722415, 3970576, 4218737, 4963220, 5955864, 7444830, 7692991, 8437474, 9926440, 11911728, 12656211, 14889660, 15385982, 16874948, 19852880, 21093685, 23078973, 25312422, 29779320, 30771964, 33749896, 38464955, 42187370, 46157946, 50624844, 59558640, 61543928, 63281055, 67499792, 76929910, 84374740, 92315892, 101249688, 115394865, 123087856, 126562110, 130780847, 153859820, 168749480, 184631784, 202499376, 230789730, 253124220, 261561694, 307719640, 337498960, 369263568, 392342541, 461579460, 506248440, 523123388, 615439280, 653904235, 784685082, 923158920, 1012496880, 1046246776, 1307808470, 1569370164, 1846317840, 1961712705, 2092493552, 2615616940, 3138740328, 3923425410, 5231233880, 6277480656, 7846850820, 10462467760, 15693701640, 31387403280]

約数ペア:

[(1, 31387403280), (2, 15693701640), (3, 10462467760), (4, 7846850820), (5, 6277480656), (6, 5231233880), (8, 3923425410), (10, 3138740328), (12, 2615616940), (15, 2092493552), (16, 1961712705), (17, 1846317840), (20, 1569370164), (24, 1307808470), (30, 1046246776), (31, 1012496880), (34, 923158920), (40, 784685082), (48, 653904235), (51, 615439280), (60, 523123388), (62, 506248440), (68, 461579460), (80, 392342541), (85, 369263568), (93, 337498960), (102, 307719640), (120, 261561694), (124, 253124220), (136, 230789730), (155, 202499376), (170, 184631784), (186, 168749480), (204, 153859820), (240, 130780847), (248, 126562110), (255, 123087856), (272, 115394865), (310, 101249688), (340, 92315892), (372, 84374740), (408, 76929910), (465, 67499792), (496, 63281055), (510, 61543928), (527, 59558640), (620, 50624844), (680, 46157946), (744, 42187370), (816, 38464955), (930, 33749896), (1020, 30771964), (1054, 29779320), (1240, 25312422), (1360, 23078973), (1488, 21093685), (1581, 19852880), (1860, 16874948), (2040, 15385982), (2108, 14889660), (2480, 12656211), (2635, 11911728), (3162, 9926440), (3720, 8437474), (4080, 7692991), (4216, 7444830), (5270, 5955864), (6324, 4963220), (7440, 4218737), (7905, 3970576), (8432, 3722415), (10540, 2977932), (12648, 2481610), (15810, 1985288), (21080, 1488966), (25296, 1240805), (31620, 992644), (42160, 744483), (63240, 496322), (126480, 248161)]