131235840

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 460055700

約数和(自身を除く): 328819860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 240, 256, 267, 288, 320, 356, 360, 384, 445, 480, 512, 534, 576, 640, 712, 720, 768, 801, 890, 960, 1024, 1068, 1152, 1280, 1335, 1424, 1440, 1536, 1602, 1780, 1920, 2048, 2136, 2304, 2560, 2670, 2848, 2880, 3072, 3204, 3560, 3840, 4005, 4096, 4272, 4608, 5120, 5340, 5696, 5760, 6144, 6408, 7120, 7680, 8010, 8192, 8544, 9216, 10240, 10680, 11392, 11520, 12288, 12816, 14240, 15360, 16020, 16384, 17088, 18432, 20480, 21360, 22784, 23040, 24576, 25632, 28480, 30720, 32040, 32768, 34176, 36864, 40960, 42720, 45568, 46080, 49152, 51264, 56960, 61440, 64080, 68352, 73728, 81920, 85440, 91136, 92160, 98304, 102528, 113920, 122880, 128160, 136704, 147456, 163840, 170880, 182272, 184320, 205056, 227840, 245760, 256320, 273408, 294912, 341760, 364544, 368640, 410112, 455680, 491520, 512640, 546816, 683520, 729088, 737280, 820224, 911360, 1025280, 1093632, 1367040, 1458176, 1474560, 1640448, 1822720, 2050560, 2187264, 2734080, 2916352, 3280896, 3645440, 4101120, 4374528, 5468160, 6561792, 7290880, 8202240, 8749056, 10936320, 13123584, 14581760, 16404480, 21872640, 26247168, 32808960, 43745280, 65617920, 131235840]

約数ペア:

[(1, 131235840), (2, 65617920), (3, 43745280), (4, 32808960), (5, 26247168), (6, 21872640), (8, 16404480), (9, 14581760), (10, 13123584), (12, 10936320), (15, 8749056), (16, 8202240), (18, 7290880), (20, 6561792), (24, 5468160), (30, 4374528), (32, 4101120), (36, 3645440), (40, 3280896), (45, 2916352), (48, 2734080), (60, 2187264), (64, 2050560), (72, 1822720), (80, 1640448), (89, 1474560), (90, 1458176), (96, 1367040), (120, 1093632), (128, 1025280), (144, 911360), (160, 820224), (178, 737280), (180, 729088), (192, 683520), (240, 546816), (256, 512640), (267, 491520), (288, 455680), (320, 410112), (356, 368640), (360, 364544), (384, 341760), (445, 294912), (480, 273408), (512, 256320), (534, 245760), (576, 227840), (640, 205056), (712, 184320), (720, 182272), (768, 170880), (801, 163840), (890, 147456), (960, 136704), (1024, 128160), (1068, 122880), (1152, 113920), (1280, 102528), (1335, 98304), (1424, 92160), (1440, 91136), (1536, 85440), (1602, 81920), (1780, 73728), (1920, 68352), (2048, 64080), (2136, 61440), (2304, 56960), (2560, 51264), (2670, 49152), (2848, 46080), (2880, 45568), (3072, 42720), (3204, 40960), (3560, 36864), (3840, 34176), (4005, 32768), (4096, 32040), (4272, 30720), (4608, 28480), (5120, 25632), (5340, 24576), (5696, 23040), (5760, 22784), (6144, 21360), (6408, 20480), (7120, 18432), (7680, 17088), (8010, 16384), (8192, 16020), (8544, 15360), (9216, 14240), (10240, 12816), (10680, 12288), (11392, 11520)]