661063680

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{797}}^1$

素因数の和:836

約数の個数: 240

約数和(自身を含む): 2372430060

約数和(自身を除く): 1711366380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 797, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1594, 1620, 1728, 1920, 2048, 2160, 2304, 2391, 2560, 2592, 2880, 3072, 3188, 3240, 3456, 3840, 3985, 4320, 4608, 4782, 5120, 5184, 5760, 6144, 6376, 6480, 6912, 7173, 7680, 7970, 8640, 9216, 9564, 10240, 10368, 11520, 11955, 12752, 12960, 13824, 14346, 15360, 15940, 17280, 18432, 19128, 20736, 21519, 23040, 23910, 25504, 25920, 27648, 28692, 30720, 31880, 34560, 35865, 38256, 41472, 43038, 46080, 47820, 51008, 51840, 55296, 57384, 63760, 64557, 69120, 71730, 76512, 82944, 86076, 92160, 95640, 102016, 103680, 107595, 114768, 127520, 129114, 138240, 143460, 153024, 165888, 172152, 191280, 204032, 207360, 215190, 229536, 255040, 258228, 276480, 286920, 306048, 322785, 344304, 382560, 408064, 414720, 430380, 459072, 510080, 516456, 573840, 612096, 645570, 688608, 765120, 816128, 829440, 860760, 918144, 1020160, 1032912, 1147680, 1224192, 1291140, 1377216, 1530240, 1632256, 1721520, 1836288, 2040320, 2065824, 2295360, 2448384, 2582280, 2754432, 3060480, 3443040, 3672576, 4080640, 4131648, 4590720, 4896768, 5164560, 5508864, 6120960, 6886080, 7345152, 8161280, 8263296, 9181440, 10329120, 11017728, 12241920, 13772160, 14690304, 16526592, 18362880, 20658240, 22035456, 24483840, 27544320, 33053184, 36725760, 41316480, 44070912, 55088640, 66106368, 73451520, 82632960, 110177280, 132212736, 165265920, 220354560, 330531840, 661063680]

約数ペア:

[(1, 661063680), (2, 330531840), (3, 220354560), (4, 165265920), (5, 132212736), (6, 110177280), (8, 82632960), (9, 73451520), (10, 66106368), (12, 55088640), (15, 44070912), (16, 41316480), (18, 36725760), (20, 33053184), (24, 27544320), (27, 24483840), (30, 22035456), (32, 20658240), (36, 18362880), (40, 16526592), (45, 14690304), (48, 13772160), (54, 12241920), (60, 11017728), (64, 10329120), (72, 9181440), (80, 8263296), (81, 8161280), (90, 7345152), (96, 6886080), (108, 6120960), (120, 5508864), (128, 5164560), (135, 4896768), (144, 4590720), (160, 4131648), (162, 4080640), (180, 3672576), (192, 3443040), (216, 3060480), (240, 2754432), (256, 2582280), (270, 2448384), (288, 2295360), (320, 2065824), (324, 2040320), (360, 1836288), (384, 1721520), (405, 1632256), (432, 1530240), (480, 1377216), (512, 1291140), (540, 1224192), (576, 1147680), (640, 1032912), (648, 1020160), (720, 918144), (768, 860760), (797, 829440), (810, 816128), (864, 765120), (960, 688608), (1024, 645570), (1080, 612096), (1152, 573840), (1280, 516456), (1296, 510080), (1440, 459072), (1536, 430380), (1594, 414720), (1620, 408064), (1728, 382560), (1920, 344304), (2048, 322785), (2160, 306048), (2304, 286920), (2391, 276480), (2560, 258228), (2592, 255040), (2880, 229536), (3072, 215190), (3188, 207360), (3240, 204032), (3456, 191280), (3840, 172152), (3985, 165888), (4320, 153024), (4608, 143460), (4782, 138240), (5120, 129114), (5184, 127520), (5760, 114768), (6144, 107595), (6376, 103680), (6480, 102016), (6912, 95640), (7173, 92160), (7680, 86076), (7970, 82944), (8640, 76512), (9216, 71730), (9564, 69120), (10240, 64557), (10368, 63760), (11520, 57384), (11955, 55296), (12752, 51840), (12960, 51008), (13824, 47820), (14346, 46080), (15360, 43038), (15940, 41472), (17280, 38256), (18432, 35865), (19128, 34560), (20736, 31880), (21519, 30720), (23040, 28692), (23910, 27648), (25504, 25920)]