21856186440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{1999}}^1$

素因数の和:2289

約数の個数: 288

約数和(自身を含む): 78427440000

約数和(自身を除く): 56571253560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 251, 264, 330, 360, 363, 396, 440, 484, 495, 502, 605, 660, 726, 753, 792, 968, 990, 1004, 1089, 1210, 1255, 1320, 1452, 1506, 1815, 1980, 1999, 2008, 2178, 2259, 2420, 2510, 2761, 2904, 3012, 3630, 3765, 3960, 3998, 4356, 4518, 4840, 5020, 5445, 5522, 5997, 6024, 7260, 7530, 7996, 8283, 8712, 9036, 9995, 10040, 10890, 11044, 11295, 11994, 13805, 14520, 15060, 15992, 16566, 17991, 18072, 19990, 21780, 21989, 22088, 22590, 23988, 24849, 27610, 29985, 30120, 30371, 33132, 35982, 39980, 41415, 43560, 43978, 45180, 47976, 49698, 55220, 59970, 60742, 65967, 66264, 71964, 79960, 82830, 87956, 89955, 90360, 91113, 99396, 109945, 110440, 119940, 121484, 124245, 131934, 143928, 151855, 165660, 175912, 179910, 182226, 197901, 198792, 219890, 239880, 241879, 242968, 248490, 263868, 273339, 303710, 329835, 331320, 359820, 364452, 395802, 439780, 455565, 483758, 496980, 501749, 527736, 546678, 607420, 659670, 719640, 725637, 728904, 791604, 879560, 911130, 967516, 989505, 993960, 1003498, 1093356, 1209395, 1214840, 1319340, 1366695, 1451274, 1505247, 1583208, 1822260, 1935032, 1979010, 2006996, 2176911, 2186712, 2418790, 2508745, 2638680, 2733390, 2902548, 3010494, 3628185, 3644520, 3958020, 4013992, 4353822, 4515741, 4837580, 5017490, 5466780, 5519239, 5805096, 6020988, 7256370, 7526235, 7916040, 8707644, 9031482, 9675160, 10034980, 10884555, 10933560, 11038478, 12041976, 14512740, 15052470, 16557717, 17415288, 18062964, 20069960, 21769110, 22076956, 22578705, 27596195, 29025480, 30104940, 33115434, 36125928, 43538220, 44153912, 45157410, 49673151, 55192390, 60209880, 60711629, 66230868, 82788585, 87076440, 90314820, 99346302, 110384780, 121423258, 132461736, 165577170, 180629640, 182134887, 198692604, 220769560, 242846516, 248365755, 303558145, 331154340, 364269774, 397385208, 485693032, 496731510, 546404661, 607116290, 662308680, 728539548, 910674435, 993463020, 1092809322, 1214232580, 1457079096, 1821348870, 1986926040, 2185618644, 2428465160, 2732023305, 3642697740, 4371237288, 5464046610, 7285395480, 10928093220, 21856186440]

約数ペア:

[(1, 21856186440), (2, 10928093220), (3, 7285395480), (4, 5464046610), (5, 4371237288), (6, 3642697740), (8, 2732023305), (9, 2428465160), (10, 2185618644), (11, 1986926040), (12, 1821348870), (15, 1457079096), (18, 1214232580), (20, 1092809322), (22, 993463020), (24, 910674435), (30, 728539548), (33, 662308680), (36, 607116290), (40, 546404661), (44, 496731510), (45, 485693032), (55, 397385208), (60, 364269774), (66, 331154340), (72, 303558145), (88, 248365755), (90, 242846516), (99, 220769560), (110, 198692604), (120, 182134887), (121, 180629640), (132, 165577170), (165, 132461736), (180, 121423258), (198, 110384780), (220, 99346302), (242, 90314820), (251, 87076440), (264, 82788585), (330, 66230868), (360, 60711629), (363, 60209880), (396, 55192390), (440, 49673151), (484, 45157410), (495, 44153912), (502, 43538220), (605, 36125928), (660, 33115434), (726, 30104940), (753, 29025480), (792, 27596195), (968, 22578705), (990, 22076956), (1004, 21769110), (1089, 20069960), (1210, 18062964), (1255, 17415288), (1320, 16557717), (1452, 15052470), (1506, 14512740), (1815, 12041976), (1980, 11038478), (1999, 10933560), (2008, 10884555), (2178, 10034980), (2259, 9675160), (2420, 9031482), (2510, 8707644), (2761, 7916040), (2904, 7526235), (3012, 7256370), (3630, 6020988), (3765, 5805096), (3960, 5519239), (3998, 5466780), (4356, 5017490), (4518, 4837580), (4840, 4515741), (5020, 4353822), (5445, 4013992), (5522, 3958020), (5997, 3644520), (6024, 3628185), (7260, 3010494), (7530, 2902548), (7996, 2733390), (8283, 2638680), (8712, 2508745), (9036, 2418790), (9995, 2186712), (10040, 2176911), (10890, 2006996), (11044, 1979010), (11295, 1935032), (11994, 1822260), (13805, 1583208), (14520, 1505247), (15060, 1451274), (15992, 1366695), (16566, 1319340), (17991, 1214840), (18072, 1209395), (19990, 1093356), (21780, 1003498), (21989, 993960), (22088, 989505), (22590, 967516), (23988, 911130), (24849, 879560), (27610, 791604), (29985, 728904), (30120, 725637), (30371, 719640), (33132, 659670), (35982, 607420), (39980, 546678), (41415, 527736), (43560, 501749), (43978, 496980), (45180, 483758), (47976, 455565), (49698, 439780), (55220, 395802), (59970, 364452), (60742, 359820), (65967, 331320), (66264, 329835), (71964, 303710), (79960, 273339), (82830, 263868), (87956, 248490), (89955, 242968), (90360, 241879), (91113, 239880), (99396, 219890), (109945, 198792), (110440, 197901), (119940, 182226), (121484, 179910), (124245, 175912), (131934, 165660), (143928, 151855)]