212249520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1880

約数の個数: 240

約数和(自身を含む): 850516992

約数和(自身を除く): 638267472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1831, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3662, 3864, 4140, 4830, 5040, 5493, 5520, 5796, 6440, 7245, 7324, 7728, 8280, 9155, 9660, 10986, 11592, 12817, 12880, 14490, 14648, 16479, 16560, 18310, 19320, 21972, 23184, 25634, 27465, 28980, 29296, 32958, 36620, 38451, 38640, 42113, 43944, 51268, 54930, 57960, 64085, 65916, 73240, 76902, 82395, 84226, 87888, 102536, 109860, 115353, 115920, 126339, 128170, 131832, 146480, 153804, 164790, 168452, 192255, 205072, 210565, 219720, 230706, 252678, 256340, 263664, 294791, 307608, 329580, 336904, 379017, 384510, 421130, 439440, 461412, 505356, 512680, 576765, 589582, 615216, 631695, 659160, 673808, 758034, 769020, 842260, 884373, 922824, 1010712, 1025360, 1153530, 1179164, 1263390, 1318320, 1473955, 1516068, 1538040, 1684520, 1768746, 1845648, 1895085, 2021424, 2307060, 2358328, 2526780, 2653119, 2947910, 3032136, 3076080, 3369040, 3537492, 3790170, 4421865, 4614120, 4716656, 5053560, 5306238, 5895820, 6064272, 7074984, 7580340, 8843730, 9228240, 10107120, 10612476, 11791640, 13265595, 14149968, 15160680, 17687460, 21224952, 23583280, 26531190, 30321360, 35374920, 42449904, 53062380, 70749840, 106124760, 212249520]

約数ペア:

[(1, 212249520), (2, 106124760), (3, 70749840), (4, 53062380), (5, 42449904), (6, 35374920), (7, 30321360), (8, 26531190), (9, 23583280), (10, 21224952), (12, 17687460), (14, 15160680), (15, 14149968), (16, 13265595), (18, 11791640), (20, 10612476), (21, 10107120), (23, 9228240), (24, 8843730), (28, 7580340), (30, 7074984), (35, 6064272), (36, 5895820), (40, 5306238), (42, 5053560), (45, 4716656), (46, 4614120), (48, 4421865), (56, 3790170), (60, 3537492), (63, 3369040), (69, 3076080), (70, 3032136), (72, 2947910), (80, 2653119), (84, 2526780), (90, 2358328), (92, 2307060), (105, 2021424), (112, 1895085), (115, 1845648), (120, 1768746), (126, 1684520), (138, 1538040), (140, 1516068), (144, 1473955), (161, 1318320), (168, 1263390), (180, 1179164), (184, 1153530), (207, 1025360), (210, 1010712), (230, 922824), (240, 884373), (252, 842260), (276, 769020), (280, 758034), (315, 673808), (322, 659160), (336, 631695), (345, 615216), (360, 589582), (368, 576765), (414, 512680), (420, 505356), (460, 461412), (483, 439440), (504, 421130), (552, 384510), (560, 379017), (630, 336904), (644, 329580), (690, 307608), (720, 294791), (805, 263664), (828, 256340), (840, 252678), (920, 230706), (966, 219720), (1008, 210565), (1035, 205072), (1104, 192255), (1260, 168452), (1288, 164790), (1380, 153804), (1449, 146480), (1610, 131832), (1656, 128170), (1680, 126339), (1831, 115920), (1840, 115353), (1932, 109860), (2070, 102536), (2415, 87888), (2520, 84226), (2576, 82395), (2760, 76902), (2898, 73240), (3220, 65916), (3312, 64085), (3662, 57960), (3864, 54930), (4140, 51268), (4830, 43944), (5040, 42113), (5493, 38640), (5520, 38451), (5796, 36620), (6440, 32958), (7245, 29296), (7324, 28980), (7728, 27465), (8280, 25634), (9155, 23184), (9660, 21972), (10986, 19320), (11592, 18310), (12817, 16560), (12880, 16479), (14490, 14648)]