31209570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{337}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 97344000

約数和(自身を除く): 66134430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 337, 343, 378, 441, 490, 630, 674, 686, 735, 882, 945, 1011, 1029, 1323, 1470, 1685, 1715, 1890, 2022, 2058, 2205, 2359, 2646, 3033, 3087, 3370, 3430, 4410, 4718, 5055, 5145, 6066, 6174, 6615, 7077, 9099, 9261, 10110, 10290, 11795, 13230, 14154, 15165, 15435, 16513, 18198, 18522, 21231, 23590, 30330, 30870, 33026, 35385, 42462, 45495, 46305, 49539, 63693, 70770, 82565, 90990, 92610, 99078, 106155, 115591, 127386, 148617, 165130, 212310, 231182, 247695, 297234, 318465, 346773, 445851, 495390, 577955, 636930, 693546, 743085, 891702, 1040319, 1155910, 1486170, 1733865, 2080638, 2229255, 3120957, 3467730, 4458510, 5201595, 6241914, 10403190, 15604785, 31209570]

約数ペア:

[(1, 31209570), (2, 15604785), (3, 10403190), (5, 6241914), (6, 5201595), (7, 4458510), (9, 3467730), (10, 3120957), (14, 2229255), (15, 2080638), (18, 1733865), (21, 1486170), (27, 1155910), (30, 1040319), (35, 891702), (42, 743085), (45, 693546), (49, 636930), (54, 577955), (63, 495390), (70, 445851), (90, 346773), (98, 318465), (105, 297234), (126, 247695), (135, 231182), (147, 212310), (189, 165130), (210, 148617), (245, 127386), (270, 115591), (294, 106155), (315, 99078), (337, 92610), (343, 90990), (378, 82565), (441, 70770), (490, 63693), (630, 49539), (674, 46305), (686, 45495), (735, 42462), (882, 35385), (945, 33026), (1011, 30870), (1029, 30330), (1323, 23590), (1470, 21231), (1685, 18522), (1715, 18198), (1890, 16513), (2022, 15435), (2058, 15165), (2205, 14154), (2359, 13230), (2646, 11795), (3033, 10290), (3087, 10110), (3370, 9261), (3430, 9099), (4410, 7077), (4718, 6615), (5055, 6174), (5145, 6066)]