212181760

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 216

約数和(自身を含む): 629143200

約数和(自身を除く): 416961440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 199, 224, 238, 245, 256, 272, 280, 320, 340, 392, 398, 448, 476, 490, 544, 560, 595, 640, 680, 784, 796, 833, 896, 952, 980, 995, 1088, 1120, 1190, 1280, 1360, 1393, 1568, 1592, 1666, 1792, 1904, 1960, 1990, 2176, 2240, 2380, 2720, 2786, 3136, 3184, 3332, 3383, 3808, 3920, 3980, 4165, 4352, 4480, 4760, 5440, 5572, 6272, 6368, 6664, 6766, 6965, 7616, 7840, 7960, 8330, 8960, 9520, 9751, 10880, 11144, 12544, 12736, 13328, 13532, 13930, 15232, 15680, 15920, 16660, 16915, 19040, 19502, 21760, 22288, 23681, 25472, 26656, 27064, 27860, 30464, 31360, 31840, 33320, 33830, 38080, 39004, 44576, 47362, 48755, 50944, 53312, 54128, 55720, 62720, 63680, 66640, 67660, 76160, 78008, 89152, 94724, 97510, 106624, 108256, 111440, 118405, 127360, 133280, 135320, 152320, 156016, 165767, 178304, 189448, 195020, 213248, 216512, 222880, 236810, 254720, 266560, 270640, 312032, 331534, 356608, 378896, 390040, 433024, 445760, 473620, 533120, 541280, 624064, 663068, 757792, 780080, 828835, 866048, 891520, 947240, 1066240, 1082560, 1248128, 1326136, 1515584, 1560160, 1657670, 1783040, 1894480, 2165120, 2496256, 2652272, 3031168, 3120320, 3315340, 3788960, 4330240, 5304544, 6062336, 6240640, 6630680, 7577920, 10609088, 12481280, 13261360, 15155840, 21218176, 26522720, 30311680, 42436352, 53045440, 106090880, 212181760]

約数ペア:

[(1, 212181760), (2, 106090880), (4, 53045440), (5, 42436352), (7, 30311680), (8, 26522720), (10, 21218176), (14, 15155840), (16, 13261360), (17, 12481280), (20, 10609088), (28, 7577920), (32, 6630680), (34, 6240640), (35, 6062336), (40, 5304544), (49, 4330240), (56, 3788960), (64, 3315340), (68, 3120320), (70, 3031168), (80, 2652272), (85, 2496256), (98, 2165120), (112, 1894480), (119, 1783040), (128, 1657670), (136, 1560160), (140, 1515584), (160, 1326136), (170, 1248128), (196, 1082560), (199, 1066240), (224, 947240), (238, 891520), (245, 866048), (256, 828835), (272, 780080), (280, 757792), (320, 663068), (340, 624064), (392, 541280), (398, 533120), (448, 473620), (476, 445760), (490, 433024), (544, 390040), (560, 378896), (595, 356608), (640, 331534), (680, 312032), (784, 270640), (796, 266560), (833, 254720), (896, 236810), (952, 222880), (980, 216512), (995, 213248), (1088, 195020), (1120, 189448), (1190, 178304), (1280, 165767), (1360, 156016), (1393, 152320), (1568, 135320), (1592, 133280), (1666, 127360), (1792, 118405), (1904, 111440), (1960, 108256), (1990, 106624), (2176, 97510), (2240, 94724), (2380, 89152), (2720, 78008), (2786, 76160), (3136, 67660), (3184, 66640), (3332, 63680), (3383, 62720), (3808, 55720), (3920, 54128), (3980, 53312), (4165, 50944), (4352, 48755), (4480, 47362), (4760, 44576), (5440, 39004), (5572, 38080), (6272, 33830), (6368, 33320), (6664, 31840), (6766, 31360), (6965, 30464), (7616, 27860), (7840, 27064), (7960, 26656), (8330, 25472), (8960, 23681), (9520, 22288), (9751, 21760), (10880, 19502), (11144, 19040), (12544, 16915), (12736, 16660), (13328, 15920), (13532, 15680), (13930, 15232)]