20476800

素因数分解:

$2^7\times 3^4\times 5^2\times {\mathrm{79}}^1$

素因数の和:115

約数の個数: 240

約数和(自身を含む): 76520400

約数和(自身を除く): 56043600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 79, 80, 81, 90, 96, 100, 108, 120, 128, 135, 144, 150, 158, 160, 162, 180, 192, 200, 216, 225, 237, 240, 270, 288, 300, 316, 320, 324, 360, 384, 395, 400, 405, 432, 450, 474, 480, 540, 576, 600, 632, 640, 648, 675, 711, 720, 790, 800, 810, 864, 900, 948, 960, 1080, 1152, 1185, 1200, 1264, 1296, 1350, 1422, 1440, 1580, 1600, 1620, 1728, 1800, 1896, 1920, 1975, 2025, 2133, 2160, 2370, 2400, 2528, 2592, 2700, 2844, 2880, 3160, 3200, 3240, 3456, 3555, 3600, 3792, 3950, 4050, 4266, 4320, 4740, 4800, 5056, 5184, 5400, 5688, 5760, 5925, 6320, 6399, 6480, 7110, 7200, 7584, 7900, 8100, 8532, 8640, 9480, 9600, 10112, 10368, 10665, 10800, 11376, 11850, 12640, 12798, 12960, 14220, 14400, 15168, 15800, 16200, 17064, 17280, 17775, 18960, 21330, 21600, 22752, 23700, 25280, 25596, 25920, 28440, 28800, 30336, 31600, 31995, 32400, 34128, 35550, 37920, 42660, 43200, 45504, 47400, 50560, 51192, 51840, 53325, 56880, 63200, 63990, 64800, 68256, 71100, 75840, 85320, 86400, 91008, 94800, 102384, 106650, 113760, 126400, 127980, 129600, 136512, 142200, 151680, 159975, 170640, 189600, 204768, 213300, 227520, 252800, 255960, 259200, 273024, 284400, 319950, 341280, 379200, 409536, 426600, 455040, 511920, 568800, 639900, 682560, 758400, 819072, 853200, 1023840, 1137600, 1279800, 1365120, 1706400, 2047680, 2275200, 2559600, 3412800, 4095360, 5119200, 6825600, 10238400, 20476800]

約数ペア:

[(1, 20476800), (2, 10238400), (3, 6825600), (4, 5119200), (5, 4095360), (6, 3412800), (8, 2559600), (9, 2275200), (10, 2047680), (12, 1706400), (15, 1365120), (16, 1279800), (18, 1137600), (20, 1023840), (24, 853200), (25, 819072), (27, 758400), (30, 682560), (32, 639900), (36, 568800), (40, 511920), (45, 455040), (48, 426600), (50, 409536), (54, 379200), (60, 341280), (64, 319950), (72, 284400), (75, 273024), (79, 259200), (80, 255960), (81, 252800), (90, 227520), (96, 213300), (100, 204768), (108, 189600), (120, 170640), (128, 159975), (135, 151680), (144, 142200), (150, 136512), (158, 129600), (160, 127980), (162, 126400), (180, 113760), (192, 106650), (200, 102384), (216, 94800), (225, 91008), (237, 86400), (240, 85320), (270, 75840), (288, 71100), (300, 68256), (316, 64800), (320, 63990), (324, 63200), (360, 56880), (384, 53325), (395, 51840), (400, 51192), (405, 50560), (432, 47400), (450, 45504), (474, 43200), (480, 42660), (540, 37920), (576, 35550), (600, 34128), (632, 32400), (640, 31995), (648, 31600), (675, 30336), (711, 28800), (720, 28440), (790, 25920), (800, 25596), (810, 25280), (864, 23700), (900, 22752), (948, 21600), (960, 21330), (1080, 18960), (1152, 17775), (1185, 17280), (1200, 17064), (1264, 16200), (1296, 15800), (1350, 15168), (1422, 14400), (1440, 14220), (1580, 12960), (1600, 12798), (1620, 12640), (1728, 11850), (1800, 11376), (1896, 10800), (1920, 10665), (1975, 10368), (2025, 10112), (2133, 9600), (2160, 9480), (2370, 8640), (2400, 8532), (2528, 8100), (2592, 7900), (2700, 7584), (2844, 7200), (2880, 7110), (3160, 6480), (3200, 6399), (3240, 6320), (3456, 5925), (3555, 5760), (3600, 5688), (3792, 5400), (3950, 5184), (4050, 5056), (4266, 4800), (4320, 4740)]