21131960400

素因数分解:

$2^4\times 3^6\times 5^2\times {\mathrm{72469}}^1$

素因数の和:72505

約数の個数: 210

約数和(自身を含む): 76120531310

約数和(自身を除く): 54988570910

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 243, 270, 300, 324, 360, 400, 405, 432, 450, 486, 540, 600, 648, 675, 720, 729, 810, 900, 972, 1080, 1200, 1215, 1296, 1350, 1458, 1620, 1800, 1944, 2025, 2160, 2430, 2700, 2916, 3240, 3600, 3645, 3888, 4050, 4860, 5400, 5832, 6075, 6480, 7290, 8100, 9720, 10800, 11664, 12150, 14580, 16200, 18225, 19440, 24300, 29160, 32400, 36450, 48600, 58320, 72469, 72900, 97200, 144938, 145800, 217407, 289876, 291600, 362345, 434814, 579752, 652221, 724690, 869628, 1087035, 1159504, 1304442, 1449380, 1739256, 1811725, 1956663, 2174070, 2608884, 2898760, 3261105, 3478512, 3623450, 3913326, 4348140, 5217768, 5435175, 5797520, 5869989, 6522210, 7246900, 7826652, 8696280, 9783315, 10435536, 10870350, 11739978, 13044420, 14493800, 15653304, 16305525, 17392560, 17609967, 19566630, 21740700, 23479956, 26088840, 28987600, 29349945, 31306608, 32611050, 35219934, 39133260, 43481400, 46959912, 48916575, 52177680, 52829901, 58699890, 65222100, 70439868, 78266520, 86962800, 88049835, 93919824, 97833150, 105659802, 117399780, 130444200, 140879736, 146749725, 156533040, 176099670, 195666300, 211319604, 234799560, 260888400, 264149505, 281759472, 293499450, 352199340, 391332600, 422639208, 440249175, 469599120, 528299010, 586998900, 704398680, 782665200, 845278416, 880498350, 1056598020, 1173997800, 1320747525, 1408797360, 1760996700, 2113196040, 2347995600, 2641495050, 3521993400, 4226392080, 5282990100, 7043986800, 10565980200, 21131960400]

約数ペア:

[(1, 21131960400), (2, 10565980200), (3, 7043986800), (4, 5282990100), (5, 4226392080), (6, 3521993400), (8, 2641495050), (9, 2347995600), (10, 2113196040), (12, 1760996700), (15, 1408797360), (16, 1320747525), (18, 1173997800), (20, 1056598020), (24, 880498350), (25, 845278416), (27, 782665200), (30, 704398680), (36, 586998900), (40, 528299010), (45, 469599120), (48, 440249175), (50, 422639208), (54, 391332600), (60, 352199340), (72, 293499450), (75, 281759472), (80, 264149505), (81, 260888400), (90, 234799560), (100, 211319604), (108, 195666300), (120, 176099670), (135, 156533040), (144, 146749725), (150, 140879736), (162, 130444200), (180, 117399780), (200, 105659802), (216, 97833150), (225, 93919824), (240, 88049835), (243, 86962800), (270, 78266520), (300, 70439868), (324, 65222100), (360, 58699890), (400, 52829901), (405, 52177680), (432, 48916575), (450, 46959912), (486, 43481400), (540, 39133260), (600, 35219934), (648, 32611050), (675, 31306608), (720, 29349945), (729, 28987600), (810, 26088840), (900, 23479956), (972, 21740700), (1080, 19566630), (1200, 17609967), (1215, 17392560), (1296, 16305525), (1350, 15653304), (1458, 14493800), (1620, 13044420), (1800, 11739978), (1944, 10870350), (2025, 10435536), (2160, 9783315), (2430, 8696280), (2700, 7826652), (2916, 7246900), (3240, 6522210), (3600, 5869989), (3645, 5797520), (3888, 5435175), (4050, 5217768), (4860, 4348140), (5400, 3913326), (5832, 3623450), (6075, 3478512), (6480, 3261105), (7290, 2898760), (8100, 2608884), (9720, 2174070), (10800, 1956663), (11664, 1811725), (12150, 1739256), (14580, 1449380), (16200, 1304442), (18225, 1159504), (19440, 1087035), (24300, 869628), (29160, 724690), (32400, 652221), (36450, 579752), (48600, 434814), (58320, 362345), (72469, 291600), (72900, 289876), (97200, 217407), (144938, 145800)]