81907200

素因数分解:

$2^9\times 3^4\times 5^2\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 300

約数和(自身を含む): 306981840

約数和(自身を除く): 225074640

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, 256, 270, 288, 300, 316, 320, 324, 360, 384, 395, 400, 405, 432, 450, 474, 480, 512, 540, 576, 600, 632, 640, 648, 675, 711, 720, 768, 790, 800, 810, 864, 900, 948, 960, 1080, 1152, 1185, 1200, 1264, 1280, 1296, 1350, 1422, 1440, 1536, 1580, 1600, 1620, 1728, 1800, 1896, 1920, 1975, 2025, 2133, 2160, 2304, 2370, 2400, 2528, 2560, 2592, 2700, 2844, 2880, 3160, 3200, 3240, 3456, 3555, 3600, 3792, 3840, 3950, 4050, 4266, 4320, 4608, 4740, 4800, 5056, 5184, 5400, 5688, 5760, 5925, 6320, 6399, 6400, 6480, 6912, 7110, 7200, 7584, 7680, 7900, 8100, 8532, 8640, 9480, 9600, 10112, 10368, 10665, 10800, 11376, 11520, 11850, 12640, 12798, 12800, 12960, 13824, 14220, 14400, 15168, 15800, 16200, 17064, 17280, 17775, 18960, 19200, 20224, 20736, 21330, 21600, 22752, 23040, 23700, 25280, 25596, 25920, 28440, 28800, 30336, 31600, 31995, 32400, 34128, 34560, 35550, 37920, 38400, 40448, 41472, 42660, 43200, 45504, 47400, 50560, 51192, 51840, 53325, 56880, 57600, 60672, 63200, 63990, 64800, 68256, 69120, 71100, 75840, 85320, 86400, 91008, 94800, 101120, 102384, 103680, 106650, 113760, 115200, 121344, 126400, 127980, 129600, 136512, 142200, 151680, 159975, 170640, 172800, 182016, 189600, 202240, 204768, 207360, 213300, 227520, 252800, 255960, 259200, 273024, 284400, 303360, 319950, 341280, 345600, 364032, 379200, 409536, 426600, 455040, 505600, 511920, 518400, 546048, 568800, 606720, 639900, 682560, 758400, 819072, 853200, 910080, 1011200, 1023840, 1036800, 1092096, 1137600, 1279800, 1365120, 1516800, 1638144, 1706400, 1820160, 2047680, 2275200, 2559600, 2730240, 3033600, 3276288, 3412800, 4095360, 4550400, 5119200, 5460480, 6825600, 8190720, 9100800, 10238400, 13651200, 16381440, 20476800, 27302400, 40953600, 81907200]

約数ペア:

[(1, 81907200), (2, 40953600), (3, 27302400), (4, 20476800), (5, 16381440), (6, 13651200), (8, 10238400), (9, 9100800), (10, 8190720), (12, 6825600), (15, 5460480), (16, 5119200), (18, 4550400), (20, 4095360), (24, 3412800), (25, 3276288), (27, 3033600), (30, 2730240), (32, 2559600), (36, 2275200), (40, 2047680), (45, 1820160), (48, 1706400), (50, 1638144), (54, 1516800), (60, 1365120), (64, 1279800), (72, 1137600), (75, 1092096), (79, 1036800), (80, 1023840), (81, 1011200), (90, 910080), (96, 853200), (100, 819072), (108, 758400), (120, 682560), (128, 639900), (135, 606720), (144, 568800), (150, 546048), (158, 518400), (160, 511920), (162, 505600), (180, 455040), (192, 426600), (200, 409536), (216, 379200), (225, 364032), (237, 345600), (240, 341280), (256, 319950), (270, 303360), (288, 284400), (300, 273024), (316, 259200), (320, 255960), (324, 252800), (360, 227520), (384, 213300), (395, 207360), (400, 204768), (405, 202240), (432, 189600), (450, 182016), (474, 172800), (480, 170640), (512, 159975), (540, 151680), (576, 142200), (600, 136512), (632, 129600), (640, 127980), (648, 126400), (675, 121344), (711, 115200), (720, 113760), (768, 106650), (790, 103680), (800, 102384), (810, 101120), (864, 94800), (900, 91008), (948, 86400), (960, 85320), (1080, 75840), (1152, 71100), (1185, 69120), (1200, 68256), (1264, 64800), (1280, 63990), (1296, 63200), (1350, 60672), (1422, 57600), (1440, 56880), (1536, 53325), (1580, 51840), (1600, 51192), (1620, 50560), (1728, 47400), (1800, 45504), (1896, 43200), (1920, 42660), (1975, 41472), (2025, 40448), (2133, 38400), (2160, 37920), (2304, 35550), (2370, 34560), (2400, 34128), (2528, 32400), (2560, 31995), (2592, 31600), (2700, 30336), (2844, 28800), (2880, 28440), (3160, 25920), (3200, 25596), (3240, 25280), (3456, 23700), (3555, 23040), (3600, 22752), (3792, 21600), (3840, 21330), (3950, 20736), (4050, 20224), (4266, 19200), (4320, 18960), (4608, 17775), (4740, 17280), (4800, 17064), (5056, 16200), (5184, 15800), (5400, 15168), (5688, 14400), (5760, 14220), (5925, 13824), (6320, 12960), (6399, 12800), (6400, 12798), (6480, 12640), (6912, 11850), (7110, 11520), (7200, 11376), (7584, 10800), (7680, 10665), (7900, 10368), (8100, 10112), (8532, 9600), (8640, 9480)]