640651280640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{173969}}^1$

素因数の和:174137

約数の個数: 288

約数和(自身を含む): 2355459160320

約数和(自身を除く): 1714807879680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 137, 140, 160, 168, 192, 210, 224, 240, 256, 274, 280, 320, 336, 384, 411, 420, 448, 480, 548, 560, 640, 672, 685, 768, 822, 840, 896, 959, 960, 1096, 1120, 1280, 1344, 1370, 1644, 1680, 1792, 1918, 1920, 2055, 2192, 2240, 2688, 2740, 2877, 3288, 3360, 3836, 3840, 4110, 4384, 4480, 4795, 5376, 5480, 5754, 6576, 6720, 7672, 8220, 8768, 8960, 9590, 10960, 11508, 13152, 13440, 14385, 15344, 16440, 17536, 19180, 21920, 23016, 26304, 26880, 28770, 30688, 32880, 35072, 38360, 43840, 46032, 52608, 57540, 61376, 65760, 76720, 87680, 92064, 105216, 115080, 122752, 131520, 153440, 173969, 175360, 184128, 230160, 245504, 263040, 306880, 347938, 368256, 460320, 521907, 526080, 613760, 695876, 736512, 869845, 920640, 1043814, 1217783, 1227520, 1391752, 1739690, 1841280, 2087628, 2435566, 2609535, 2783504, 3479380, 3653349, 3682560, 4175256, 4871132, 5219070, 5567008, 6088915, 6958760, 7306698, 8350512, 9742264, 10438140, 11134016, 12177830, 13917520, 14613396, 16701024, 18266745, 19484528, 20876280, 22268032, 23833753, 24355660, 27835040, 29226792, 33402048, 36533490, 38969056, 41752560, 44536064, 47667506, 48711320, 55670080, 58453584, 66804096, 71501259, 73066980, 77938112, 83505120, 95335012, 97422640, 111340160, 116907168, 119168765, 133608192, 143002518, 146133960, 155876224, 166836271, 167010240, 190670024, 194845280, 222680320, 233814336, 238337530, 286005036, 292267920, 311752448, 333672542, 334020480, 357506295, 381340048, 389690560, 467628672, 476675060, 500508813, 572010072, 584535840, 667345084, 668040960, 715012590, 762680096, 779381120, 834181355, 935257344, 953350120, 1001017626, 1144020144, 1169071680, 1334690168, 1430025180, 1525360192, 1558762240, 1668362710, 1906700240, 2002035252, 2288040288, 2338143360, 2502544065, 2669380336, 2860050360, 3050720384, 3336725420, 3813400480, 4004070504, 4576080576, 4676286720, 5005088130, 5338760672, 5720100720, 6101440768, 6673450840, 7626800960, 8008141008, 9152161152, 10010176260, 10677521344, 11440201440, 13346901680, 15253601920, 16016282016, 18304322304, 20020352520, 21355042688, 22880402880, 26693803360, 30507203840, 32032564032, 40040705040, 42710085376, 45760805760, 53387606720, 64065128064, 80081410080, 91521611520, 106775213440, 128130256128, 160162820160, 213550426880, 320325640320, 640651280640]

約数ペア:

[(1, 640651280640), (2, 320325640320), (3, 213550426880), (4, 160162820160), (5, 128130256128), (6, 106775213440), (7, 91521611520), (8, 80081410080), (10, 64065128064), (12, 53387606720), (14, 45760805760), (15, 42710085376), (16, 40040705040), (20, 32032564032), (21, 30507203840), (24, 26693803360), (28, 22880402880), (30, 21355042688), (32, 20020352520), (35, 18304322304), (40, 16016282016), (42, 15253601920), (48, 13346901680), (56, 11440201440), (60, 10677521344), (64, 10010176260), (70, 9152161152), (80, 8008141008), (84, 7626800960), (96, 6673450840), (105, 6101440768), (112, 5720100720), (120, 5338760672), (128, 5005088130), (137, 4676286720), (140, 4576080576), (160, 4004070504), (168, 3813400480), (192, 3336725420), (210, 3050720384), (224, 2860050360), (240, 2669380336), (256, 2502544065), (274, 2338143360), (280, 2288040288), (320, 2002035252), (336, 1906700240), (384, 1668362710), (411, 1558762240), (420, 1525360192), (448, 1430025180), (480, 1334690168), (548, 1169071680), (560, 1144020144), (640, 1001017626), (672, 953350120), (685, 935257344), (768, 834181355), (822, 779381120), (840, 762680096), (896, 715012590), (959, 668040960), (960, 667345084), (1096, 584535840), (1120, 572010072), (1280, 500508813), (1344, 476675060), (1370, 467628672), (1644, 389690560), (1680, 381340048), (1792, 357506295), (1918, 334020480), (1920, 333672542), (2055, 311752448), (2192, 292267920), (2240, 286005036), (2688, 238337530), (2740, 233814336), (2877, 222680320), (3288, 194845280), (3360, 190670024), (3836, 167010240), (3840, 166836271), (4110, 155876224), (4384, 146133960), (4480, 143002518), (4795, 133608192), (5376, 119168765), (5480, 116907168), (5754, 111340160), (6576, 97422640), (6720, 95335012), (7672, 83505120), (8220, 77938112), (8768, 73066980), (8960, 71501259), (9590, 66804096), (10960, 58453584), (11508, 55670080), (13152, 48711320), (13440, 47667506), (14385, 44536064), (15344, 41752560), (16440, 38969056), (17536, 36533490), (19180, 33402048), (21920, 29226792), (23016, 27835040), (26304, 24355660), (26880, 23833753), (28770, 22268032), (30688, 20876280), (32880, 19484528), (35072, 18266745), (38360, 16701024), (43840, 14613396), (46032, 13917520), (52608, 12177830), (57540, 11134016), (61376, 10438140), (65760, 9742264), (76720, 8350512), (87680, 7306698), (92064, 6958760), (105216, 6088915), (115080, 5567008), (122752, 5219070), (131520, 4871132), (153440, 4175256), (173969, 3682560), (175360, 3653349), (184128, 3479380), (230160, 2783504), (245504, 2609535), (263040, 2435566), (306880, 2087628), (347938, 1841280), (368256, 1739690), (460320, 1391752), (521907, 1227520), (526080, 1217783), (613760, 1043814), (695876, 920640), (736512, 869845)]