20138798880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{108413}}^1$

素因数の和:108480

約数の個数: 192

約数和(自身を含む): 72125665920

約数和(自身を除く): 51986867040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 215, 216, 240, 258, 270, 288, 344, 360, 387, 430, 432, 480, 516, 540, 645, 688, 720, 774, 860, 864, 1032, 1080, 1161, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2160, 2322, 2580, 3096, 3440, 3870, 4128, 4320, 4644, 5160, 5805, 6192, 6880, 7740, 9288, 10320, 11610, 12384, 15480, 18576, 20640, 23220, 30960, 37152, 46440, 61920, 92880, 108413, 185760, 216826, 325239, 433652, 542065, 650478, 867304, 975717, 1084130, 1300956, 1626195, 1734608, 1951434, 2168260, 2601912, 2927151, 3252390, 3469216, 3902868, 4336520, 4661759, 4878585, 5203824, 5854302, 6504780, 7805736, 8673040, 9323518, 9757170, 10407648, 11708604, 13009560, 13985277, 14635755, 15611472, 17346080, 18647036, 19514340, 23308795, 23417208, 26019120, 27970554, 29271510, 31222944, 37294072, 39028680, 41955831, 46617590, 46834416, 52038240, 55941108, 58543020, 69926385, 74588144, 78057360, 83911662, 93235180, 93668832, 111882216, 117086040, 125867493, 139852770, 149176288, 156114720, 167823324, 186470360, 209779155, 223764432, 234172080, 251734986, 279705540, 335646648, 372940720, 419558310, 447528864, 468344160, 503469972, 559411080, 629337465, 671293296, 745881440, 839116620, 1006939944, 1118822160, 1258674930, 1342586592, 1678233240, 2013879888, 2237644320, 2517349860, 3356466480, 4027759776, 5034699720, 6712932960, 10069399440, 20138798880]

約数ペア:

[(1, 20138798880), (2, 10069399440), (3, 6712932960), (4, 5034699720), (5, 4027759776), (6, 3356466480), (8, 2517349860), (9, 2237644320), (10, 2013879888), (12, 1678233240), (15, 1342586592), (16, 1258674930), (18, 1118822160), (20, 1006939944), (24, 839116620), (27, 745881440), (30, 671293296), (32, 629337465), (36, 559411080), (40, 503469972), (43, 468344160), (45, 447528864), (48, 419558310), (54, 372940720), (60, 335646648), (72, 279705540), (80, 251734986), (86, 234172080), (90, 223764432), (96, 209779155), (108, 186470360), (120, 167823324), (129, 156114720), (135, 149176288), (144, 139852770), (160, 125867493), (172, 117086040), (180, 111882216), (215, 93668832), (216, 93235180), (240, 83911662), (258, 78057360), (270, 74588144), (288, 69926385), (344, 58543020), (360, 55941108), (387, 52038240), (430, 46834416), (432, 46617590), (480, 41955831), (516, 39028680), (540, 37294072), (645, 31222944), (688, 29271510), (720, 27970554), (774, 26019120), (860, 23417208), (864, 23308795), (1032, 19514340), (1080, 18647036), (1161, 17346080), (1290, 15611472), (1376, 14635755), (1440, 13985277), (1548, 13009560), (1720, 11708604), (1935, 10407648), (2064, 9757170), (2160, 9323518), (2322, 8673040), (2580, 7805736), (3096, 6504780), (3440, 5854302), (3870, 5203824), (4128, 4878585), (4320, 4661759), (4644, 4336520), (5160, 3902868), (5805, 3469216), (6192, 3252390), (6880, 2927151), (7740, 2601912), (9288, 2168260), (10320, 1951434), (11610, 1734608), (12384, 1626195), (15480, 1300956), (18576, 1084130), (20640, 975717), (23220, 867304), (30960, 650478), (37152, 542065), (46440, 433652), (61920, 325239), (92880, 216826), (108413, 185760)]