20210798880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{7699}}^1$

素因数の和:9543

約数の個数: 144

約数和(自身を含む): 69016147200

約数和(自身を除く): 48805348320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1823, 3646, 5469, 7292, 7699, 9115, 10938, 14584, 15398, 16407, 18230, 21876, 23097, 27345, 29168, 30796, 32814, 36460, 38495, 43752, 46194, 54690, 58336, 61592, 65628, 69291, 72920, 76990, 82035, 87504, 92388, 109380, 115485, 123184, 131256, 138582, 145840, 153980, 164070, 175008, 184776, 218760, 230970, 246368, 262512, 277164, 291680, 307960, 328140, 346455, 369552, 437520, 461940, 525024, 554328, 615920, 656280, 692910, 739104, 875040, 923880, 1108656, 1231840, 1312560, 1385820, 1847760, 2217312, 2625120, 2771640, 3695520, 5543280, 11086560, 14035277, 28070554, 42105831, 56141108, 70176385, 84211662, 112282216, 126317493, 140352770, 168423324, 210529155, 224564432, 252634986, 280705540, 336846648, 421058310, 449128864, 505269972, 561411080, 631587465, 673693296, 842116620, 1010539944, 1122822160, 1263174930, 1347386592, 1684233240, 2021079888, 2245644320, 2526349860, 3368466480, 4042159776, 5052699720, 6736932960, 10105399440, 20210798880]

約数ペア:

[(1, 20210798880), (2, 10105399440), (3, 6736932960), (4, 5052699720), (5, 4042159776), (6, 3368466480), (8, 2526349860), (9, 2245644320), (10, 2021079888), (12, 1684233240), (15, 1347386592), (16, 1263174930), (18, 1122822160), (20, 1010539944), (24, 842116620), (30, 673693296), (32, 631587465), (36, 561411080), (40, 505269972), (45, 449128864), (48, 421058310), (60, 336846648), (72, 280705540), (80, 252634986), (90, 224564432), (96, 210529155), (120, 168423324), (144, 140352770), (160, 126317493), (180, 112282216), (240, 84211662), (288, 70176385), (360, 56141108), (480, 42105831), (720, 28070554), (1440, 14035277), (1823, 11086560), (3646, 5543280), (5469, 3695520), (7292, 2771640), (7699, 2625120), (9115, 2217312), (10938, 1847760), (14584, 1385820), (15398, 1312560), (16407, 1231840), (18230, 1108656), (21876, 923880), (23097, 875040), (27345, 739104), (29168, 692910), (30796, 656280), (32814, 615920), (36460, 554328), (38495, 525024), (43752, 461940), (46194, 437520), (54690, 369552), (58336, 346455), (61592, 328140), (65628, 307960), (69291, 291680), (72920, 277164), (76990, 262512), (82035, 246368), (87504, 230970), (92388, 218760), (109380, 184776), (115485, 175008), (123184, 164070), (131256, 153980), (138582, 145840)]