66839920

素因数分解:

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

素因数の和:120

約数の個数: 180

約数和(自身を含む): 195288840

約数和(自身を除く): 128448920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 59, 68, 70, 80, 85, 98, 112, 118, 119, 136, 140, 170, 196, 236, 238, 245, 272, 280, 289, 295, 340, 392, 413, 472, 476, 490, 560, 578, 590, 595, 680, 784, 826, 833, 944, 952, 980, 1003, 1156, 1180, 1190, 1360, 1445, 1652, 1666, 1904, 1960, 2006, 2023, 2065, 2312, 2360, 2380, 2890, 2891, 3304, 3332, 3920, 4012, 4046, 4130, 4165, 4624, 4720, 4760, 5015, 5780, 5782, 6608, 6664, 7021, 8024, 8092, 8260, 8330, 9520, 10030, 10115, 11560, 11564, 13328, 14042, 14161, 14455, 16048, 16184, 16520, 16660, 17051, 20060, 20230, 23120, 23128, 28084, 28322, 28910, 32368, 33040, 33320, 34102, 35105, 40120, 40460, 46256, 49147, 56168, 56644, 57820, 66640, 68204, 70210, 70805, 80240, 80920, 85255, 98294, 112336, 113288, 115640, 119357, 136408, 140420, 141610, 161840, 170510, 196588, 226576, 231280, 238714, 245735, 272816, 280840, 283220, 341020, 393176, 477428, 491470, 561680, 566440, 596785, 682040, 786352, 835499, 954856, 982940, 1132880, 1193570, 1364080, 1670998, 1909712, 1965880, 2387140, 3341996, 3931760, 4177495, 4774280, 6683992, 8354990, 9548560, 13367984, 16709980, 33419960, 66839920]

約数ペア:

[(1, 66839920), (2, 33419960), (4, 16709980), (5, 13367984), (7, 9548560), (8, 8354990), (10, 6683992), (14, 4774280), (16, 4177495), (17, 3931760), (20, 3341996), (28, 2387140), (34, 1965880), (35, 1909712), (40, 1670998), (49, 1364080), (56, 1193570), (59, 1132880), (68, 982940), (70, 954856), (80, 835499), (85, 786352), (98, 682040), (112, 596785), (118, 566440), (119, 561680), (136, 491470), (140, 477428), (170, 393176), (196, 341020), (236, 283220), (238, 280840), (245, 272816), (272, 245735), (280, 238714), (289, 231280), (295, 226576), (340, 196588), (392, 170510), (413, 161840), (472, 141610), (476, 140420), (490, 136408), (560, 119357), (578, 115640), (590, 113288), (595, 112336), (680, 98294), (784, 85255), (826, 80920), (833, 80240), (944, 70805), (952, 70210), (980, 68204), (1003, 66640), (1156, 57820), (1180, 56644), (1190, 56168), (1360, 49147), (1445, 46256), (1652, 40460), (1666, 40120), (1904, 35105), (1960, 34102), (2006, 33320), (2023, 33040), (2065, 32368), (2312, 28910), (2360, 28322), (2380, 28084), (2890, 23128), (2891, 23120), (3304, 20230), (3332, 20060), (3920, 17051), (4012, 16660), (4046, 16520), (4130, 16184), (4165, 16048), (4624, 14455), (4720, 14161), (4760, 14042), (5015, 13328), (5780, 11564), (5782, 11560), (6608, 10115), (6664, 10030), (7021, 9520), (8024, 8330), (8092, 8260)]