81452160

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 286416000

約数和(自身を除く): 204963840

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, 79, 80, 90, 96, 120, 128, 144, 158, 160, 179, 180, 192, 237, 240, 288, 316, 320, 358, 360, 384, 395, 474, 480, 537, 576, 632, 640, 711, 716, 720, 790, 895, 948, 960, 1074, 1152, 1185, 1264, 1422, 1432, 1440, 1580, 1611, 1790, 1896, 1920, 2148, 2370, 2528, 2685, 2844, 2864, 2880, 3160, 3222, 3555, 3580, 3792, 4296, 4740, 5056, 5370, 5688, 5728, 5760, 6320, 6444, 7110, 7160, 7584, 8055, 8592, 9480, 10112, 10740, 11376, 11456, 12640, 12888, 14141, 14220, 14320, 15168, 16110, 17184, 18960, 21480, 22752, 22912, 25280, 25776, 28282, 28440, 28640, 30336, 32220, 34368, 37920, 42423, 42960, 45504, 50560, 51552, 56564, 56880, 57280, 64440, 68736, 70705, 75840, 84846, 85920, 91008, 103104, 113128, 113760, 114560, 127269, 128880, 141410, 151680, 169692, 171840, 206208, 212115, 226256, 227520, 254538, 257760, 282820, 339384, 343680, 424230, 452512, 455040, 509076, 515520, 565640, 636345, 678768, 848460, 905024, 1018152, 1031040, 1131280, 1272690, 1357536, 1696920, 1810048, 2036304, 2262560, 2545380, 2715072, 3393840, 4072608, 4525120, 5090760, 5430144, 6787680, 8145216, 9050240, 10181520, 13575360, 16290432, 20363040, 27150720, 40726080, 81452160]

約数ペア:

[(1, 81452160), (2, 40726080), (3, 27150720), (4, 20363040), (5, 16290432), (6, 13575360), (8, 10181520), (9, 9050240), (10, 8145216), (12, 6787680), (15, 5430144), (16, 5090760), (18, 4525120), (20, 4072608), (24, 3393840), (30, 2715072), (32, 2545380), (36, 2262560), (40, 2036304), (45, 1810048), (48, 1696920), (60, 1357536), (64, 1272690), (72, 1131280), (79, 1031040), (80, 1018152), (90, 905024), (96, 848460), (120, 678768), (128, 636345), (144, 565640), (158, 515520), (160, 509076), (179, 455040), (180, 452512), (192, 424230), (237, 343680), (240, 339384), (288, 282820), (316, 257760), (320, 254538), (358, 227520), (360, 226256), (384, 212115), (395, 206208), (474, 171840), (480, 169692), (537, 151680), (576, 141410), (632, 128880), (640, 127269), (711, 114560), (716, 113760), (720, 113128), (790, 103104), (895, 91008), (948, 85920), (960, 84846), (1074, 75840), (1152, 70705), (1185, 68736), (1264, 64440), (1422, 57280), (1432, 56880), (1440, 56564), (1580, 51552), (1611, 50560), (1790, 45504), (1896, 42960), (1920, 42423), (2148, 37920), (2370, 34368), (2528, 32220), (2685, 30336), (2844, 28640), (2864, 28440), (2880, 28282), (3160, 25776), (3222, 25280), (3555, 22912), (3580, 22752), (3792, 21480), (4296, 18960), (4740, 17184), (5056, 16110), (5370, 15168), (5688, 14320), (5728, 14220), (5760, 14141), (6320, 12888), (6444, 12640), (7110, 11456), (7160, 11376), (7584, 10740), (8055, 10112), (8592, 9480)]