81938880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1283

約数の個数: 168

約数和(自身を含む): 294327072

約数和(自身を除く): 212388192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 460, 480, 552, 576, 690, 720, 736, 828, 920, 960, 1035, 1104, 1237, 1380, 1440, 1472, 1656, 1840, 2070, 2208, 2474, 2760, 2880, 3312, 3680, 3711, 4140, 4416, 4948, 5520, 6185, 6624, 7360, 7422, 8280, 9896, 11040, 11133, 12370, 13248, 14844, 16560, 18555, 19792, 22080, 22266, 24740, 28451, 29688, 33120, 37110, 39584, 44532, 49480, 55665, 56902, 59376, 66240, 74220, 79168, 85353, 89064, 98960, 111330, 113804, 118752, 142255, 148440, 170706, 178128, 197920, 222660, 227608, 237504, 256059, 284510, 296880, 341412, 356256, 395840, 426765, 445320, 455216, 512118, 569020, 593760, 682824, 712512, 853530, 890640, 910432, 1024236, 1138040, 1187520, 1280295, 1365648, 1707060, 1781280, 1820864, 2048472, 2276080, 2560590, 2731296, 3414120, 3562560, 4096944, 4552160, 5121180, 5462592, 6828240, 8193888, 9104320, 10242360, 13656480, 16387776, 20484720, 27312960, 40969440, 81938880]

約数ペア:

[(1, 81938880), (2, 40969440), (3, 27312960), (4, 20484720), (5, 16387776), (6, 13656480), (8, 10242360), (9, 9104320), (10, 8193888), (12, 6828240), (15, 5462592), (16, 5121180), (18, 4552160), (20, 4096944), (23, 3562560), (24, 3414120), (30, 2731296), (32, 2560590), (36, 2276080), (40, 2048472), (45, 1820864), (46, 1781280), (48, 1707060), (60, 1365648), (64, 1280295), (69, 1187520), (72, 1138040), (80, 1024236), (90, 910432), (92, 890640), (96, 853530), (115, 712512), (120, 682824), (138, 593760), (144, 569020), (160, 512118), (180, 455216), (184, 445320), (192, 426765), (207, 395840), (230, 356256), (240, 341412), (276, 296880), (288, 284510), (320, 256059), (345, 237504), (360, 227608), (368, 222660), (414, 197920), (460, 178128), (480, 170706), (552, 148440), (576, 142255), (690, 118752), (720, 113804), (736, 111330), (828, 98960), (920, 89064), (960, 85353), (1035, 79168), (1104, 74220), (1237, 66240), (1380, 59376), (1440, 56902), (1472, 55665), (1656, 49480), (1840, 44532), (2070, 39584), (2208, 37110), (2474, 33120), (2760, 29688), (2880, 28451), (3312, 24740), (3680, 22266), (3711, 22080), (4140, 19792), (4416, 18555), (4948, 16560), (5520, 14844), (6185, 13248), (6624, 12370), (7360, 11133), (7422, 11040), (8280, 9896)]