212421240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 716882400

約数和(自身を除く): 504461160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 73, 90, 118, 120, 137, 146, 177, 180, 219, 236, 274, 292, 295, 354, 360, 365, 411, 438, 472, 531, 548, 584, 590, 657, 685, 708, 730, 822, 876, 885, 1062, 1095, 1096, 1180, 1233, 1314, 1370, 1416, 1460, 1644, 1752, 1770, 2055, 2124, 2190, 2360, 2466, 2628, 2655, 2740, 2920, 3285, 3288, 3540, 4110, 4248, 4307, 4380, 4932, 5256, 5310, 5480, 6165, 6570, 7080, 8083, 8220, 8614, 8760, 9864, 10001, 10620, 12330, 12921, 13140, 16166, 16440, 17228, 20002, 21240, 21535, 24249, 24660, 25842, 26280, 30003, 32332, 34456, 38763, 40004, 40415, 43070, 48498, 49320, 50005, 51684, 60006, 64605, 64664, 72747, 77526, 80008, 80830, 86140, 90009, 96996, 100010, 103368, 120012, 121245, 129210, 145494, 150015, 155052, 161660, 172280, 180018, 193815, 193992, 200020, 240024, 242490, 258420, 290988, 300030, 310104, 323320, 360036, 363735, 387630, 400040, 450045, 484980, 516840, 581976, 590059, 600060, 720072, 727470, 775260, 900090, 969960, 1180118, 1200120, 1454940, 1550520, 1770177, 1800180, 2360236, 2909880, 2950295, 3540354, 3600360, 4720472, 5310531, 5900590, 7080708, 8850885, 10621062, 11801180, 14161416, 17701770, 21242124, 23602360, 26552655, 35403540, 42484248, 53105310, 70807080, 106210620, 212421240]

約数ペア:

[(1, 212421240), (2, 106210620), (3, 70807080), (4, 53105310), (5, 42484248), (6, 35403540), (8, 26552655), (9, 23602360), (10, 21242124), (12, 17701770), (15, 14161416), (18, 11801180), (20, 10621062), (24, 8850885), (30, 7080708), (36, 5900590), (40, 5310531), (45, 4720472), (59, 3600360), (60, 3540354), (72, 2950295), (73, 2909880), (90, 2360236), (118, 1800180), (120, 1770177), (137, 1550520), (146, 1454940), (177, 1200120), (180, 1180118), (219, 969960), (236, 900090), (274, 775260), (292, 727470), (295, 720072), (354, 600060), (360, 590059), (365, 581976), (411, 516840), (438, 484980), (472, 450045), (531, 400040), (548, 387630), (584, 363735), (590, 360036), (657, 323320), (685, 310104), (708, 300030), (730, 290988), (822, 258420), (876, 242490), (885, 240024), (1062, 200020), (1095, 193992), (1096, 193815), (1180, 180018), (1233, 172280), (1314, 161660), (1370, 155052), (1416, 150015), (1460, 145494), (1644, 129210), (1752, 121245), (1770, 120012), (2055, 103368), (2124, 100010), (2190, 96996), (2360, 90009), (2466, 86140), (2628, 80830), (2655, 80008), (2740, 77526), (2920, 72747), (3285, 64664), (3288, 64605), (3540, 60006), (4110, 51684), (4248, 50005), (4307, 49320), (4380, 48498), (4932, 43070), (5256, 40415), (5310, 40004), (5480, 38763), (6165, 34456), (6570, 32332), (7080, 30003), (8083, 26280), (8220, 25842), (8614, 24660), (8760, 24249), (9864, 21535), (10001, 21240), (10620, 20002), (12330, 17228), (12921, 16440), (13140, 16166)]