15851520

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 168

約数和(自身を含む): 56226456

約数和(自身を除く): 40374936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 512, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1024, 1032, 1152, 1280, 1290, 1376, 1440, 1536, 1548, 1720, 1920, 1935, 2048, 2064, 2304, 2560, 2580, 2752, 2880, 3072, 3096, 3440, 3840, 3870, 4096, 4128, 4608, 5120, 5160, 5504, 5760, 6144, 6192, 6880, 7680, 7740, 8192, 8256, 9216, 10240, 10320, 11008, 11520, 12288, 12384, 13760, 15360, 15480, 16512, 18432, 20480, 20640, 22016, 23040, 24576, 24768, 27520, 30720, 30960, 33024, 36864, 40960, 41280, 44032, 46080, 49536, 55040, 61440, 61920, 66048, 73728, 82560, 88064, 92160, 99072, 110080, 122880, 123840, 132096, 165120, 176128, 184320, 198144, 220160, 247680, 264192, 330240, 352256, 368640, 396288, 440320, 495360, 528384, 660480, 792576, 880640, 990720, 1056768, 1320960, 1585152, 1761280, 1981440, 2641920, 3170304, 3962880, 5283840, 7925760, 15851520]

約数ペア:

[(1, 15851520), (2, 7925760), (3, 5283840), (4, 3962880), (5, 3170304), (6, 2641920), (8, 1981440), (9, 1761280), (10, 1585152), (12, 1320960), (15, 1056768), (16, 990720), (18, 880640), (20, 792576), (24, 660480), (30, 528384), (32, 495360), (36, 440320), (40, 396288), (43, 368640), (45, 352256), (48, 330240), (60, 264192), (64, 247680), (72, 220160), (80, 198144), (86, 184320), (90, 176128), (96, 165120), (120, 132096), (128, 123840), (129, 122880), (144, 110080), (160, 99072), (172, 92160), (180, 88064), (192, 82560), (215, 73728), (240, 66048), (256, 61920), (258, 61440), (288, 55040), (320, 49536), (344, 46080), (360, 44032), (384, 41280), (387, 40960), (430, 36864), (480, 33024), (512, 30960), (516, 30720), (576, 27520), (640, 24768), (645, 24576), (688, 23040), (720, 22016), (768, 20640), (774, 20480), (860, 18432), (960, 16512), (1024, 15480), (1032, 15360), (1152, 13760), (1280, 12384), (1290, 12288), (1376, 11520), (1440, 11008), (1536, 10320), (1548, 10240), (1720, 9216), (1920, 8256), (1935, 8192), (2048, 7740), (2064, 7680), (2304, 6880), (2560, 6192), (2580, 6144), (2752, 5760), (2880, 5504), (3072, 5160), (3096, 5120), (3440, 4608), (3840, 4128), (3870, 4096)]