287018480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 847311840

約数和(自身を除く): 560293360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 59, 68, 70, 73, 80, 85, 98, 112, 118, 119, 136, 140, 146, 170, 196, 236, 238, 245, 272, 280, 292, 295, 340, 365, 392, 413, 472, 476, 490, 511, 560, 584, 590, 595, 680, 730, 784, 826, 833, 944, 952, 980, 1003, 1022, 1168, 1180, 1190, 1241, 1360, 1460, 1652, 1666, 1904, 1960, 2006, 2044, 2065, 2360, 2380, 2482, 2555, 2891, 2920, 3304, 3332, 3577, 3920, 4012, 4088, 4130, 4165, 4307, 4720, 4760, 4964, 5015, 5110, 5782, 5840, 6205, 6608, 6664, 7021, 7154, 8024, 8176, 8260, 8330, 8614, 8687, 9520, 9928, 10030, 10220, 11564, 12410, 13328, 14042, 14308, 14455, 16048, 16520, 16660, 17228, 17374, 17885, 19856, 20060, 20440, 21535, 23128, 24820, 28084, 28616, 28910, 30149, 33040, 33320, 34456, 34748, 35105, 35770, 40120, 40880, 43070, 43435, 46256, 49147, 49640, 56168, 57232, 57820, 60298, 60809, 66640, 68912, 69496, 70210, 71540, 73219, 80240, 86140, 86870, 98294, 99280, 112336, 115640, 120596, 121618, 138992, 140420, 143080, 146438, 150745, 172280, 173740, 196588, 211043, 231280, 241192, 243236, 245735, 280840, 286160, 292876, 301490, 304045, 344560, 347480, 366095, 393176, 422086, 482384, 486472, 491470, 512533, 561680, 585752, 602980, 608090, 694960, 732190, 786352, 844172, 972944, 982940, 1025066, 1055215, 1171504, 1205960, 1216180, 1464380, 1688344, 1965880, 2050132, 2110430, 2411920, 2432360, 2562665, 2928760, 3376688, 3587731, 3931760, 4100264, 4220860, 4864720, 5125330, 5857520, 7175462, 8200528, 8441720, 10250660, 14350924, 16883440, 17938655, 20501320, 28701848, 35877310, 41002640, 57403696, 71754620, 143509240, 287018480]

約数ペア:

[(1, 287018480), (2, 143509240), (4, 71754620), (5, 57403696), (7, 41002640), (8, 35877310), (10, 28701848), (14, 20501320), (16, 17938655), (17, 16883440), (20, 14350924), (28, 10250660), (34, 8441720), (35, 8200528), (40, 7175462), (49, 5857520), (56, 5125330), (59, 4864720), (68, 4220860), (70, 4100264), (73, 3931760), (80, 3587731), (85, 3376688), (98, 2928760), (112, 2562665), (118, 2432360), (119, 2411920), (136, 2110430), (140, 2050132), (146, 1965880), (170, 1688344), (196, 1464380), (236, 1216180), (238, 1205960), (245, 1171504), (272, 1055215), (280, 1025066), (292, 982940), (295, 972944), (340, 844172), (365, 786352), (392, 732190), (413, 694960), (472, 608090), (476, 602980), (490, 585752), (511, 561680), (560, 512533), (584, 491470), (590, 486472), (595, 482384), (680, 422086), (730, 393176), (784, 366095), (826, 347480), (833, 344560), (944, 304045), (952, 301490), (980, 292876), (1003, 286160), (1022, 280840), (1168, 245735), (1180, 243236), (1190, 241192), (1241, 231280), (1360, 211043), (1460, 196588), (1652, 173740), (1666, 172280), (1904, 150745), (1960, 146438), (2006, 143080), (2044, 140420), (2065, 138992), (2360, 121618), (2380, 120596), (2482, 115640), (2555, 112336), (2891, 99280), (2920, 98294), (3304, 86870), (3332, 86140), (3577, 80240), (3920, 73219), (4012, 71540), (4088, 70210), (4130, 69496), (4165, 68912), (4307, 66640), (4720, 60809), (4760, 60298), (4964, 57820), (5015, 57232), (5110, 56168), (5782, 49640), (5840, 49147), (6205, 46256), (6608, 43435), (6664, 43070), (7021, 40880), (7154, 40120), (8024, 35770), (8176, 35105), (8260, 34748), (8330, 34456), (8614, 33320), (8687, 33040), (9520, 30149), (9928, 28910), (10030, 28616), (10220, 28084), (11564, 24820), (12410, 23128), (13328, 21535), (14042, 20440), (14308, 20060), (14455, 19856), (16048, 17885), (16520, 17374), (16660, 17228)]