68821480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 201957840

約数和(自身を除く): 133136360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 49, 52, 56, 65, 70, 73, 74, 91, 98, 104, 130, 140, 146, 148, 182, 185, 196, 245, 259, 260, 280, 292, 296, 364, 365, 370, 392, 455, 481, 490, 511, 518, 520, 584, 637, 728, 730, 740, 910, 949, 962, 980, 1022, 1036, 1274, 1295, 1460, 1480, 1813, 1820, 1898, 1924, 1960, 2044, 2072, 2405, 2548, 2555, 2590, 2701, 2920, 3185, 3367, 3577, 3626, 3640, 3796, 3848, 4088, 4745, 4810, 5096, 5110, 5180, 5402, 6370, 6643, 6734, 7154, 7252, 7592, 9065, 9490, 9620, 10220, 10360, 10804, 12740, 13286, 13468, 13505, 14308, 14504, 16835, 17885, 18130, 18907, 18980, 19240, 20440, 21608, 23569, 25480, 26572, 26936, 27010, 28616, 33215, 33670, 35113, 35770, 36260, 37814, 37960, 46501, 47138, 53144, 54020, 66430, 67340, 70226, 71540, 72520, 75628, 93002, 94276, 94535, 108040, 117845, 132349, 132860, 134680, 140452, 143080, 151256, 175565, 186004, 188552, 189070, 232505, 235690, 245791, 264698, 265720, 280904, 351130, 372008, 378140, 465010, 471380, 491582, 529396, 661745, 702260, 756280, 930020, 942760, 983164, 1058792, 1228955, 1323490, 1404520, 1720537, 1860040, 1966328, 2457910, 2646980, 3441074, 4915820, 5293960, 6882148, 8602685, 9831640, 13764296, 17205370, 34410740, 68821480]

約数ペア:

[(1, 68821480), (2, 34410740), (4, 17205370), (5, 13764296), (7, 9831640), (8, 8602685), (10, 6882148), (13, 5293960), (14, 4915820), (20, 3441074), (26, 2646980), (28, 2457910), (35, 1966328), (37, 1860040), (40, 1720537), (49, 1404520), (52, 1323490), (56, 1228955), (65, 1058792), (70, 983164), (73, 942760), (74, 930020), (91, 756280), (98, 702260), (104, 661745), (130, 529396), (140, 491582), (146, 471380), (148, 465010), (182, 378140), (185, 372008), (196, 351130), (245, 280904), (259, 265720), (260, 264698), (280, 245791), (292, 235690), (296, 232505), (364, 189070), (365, 188552), (370, 186004), (392, 175565), (455, 151256), (481, 143080), (490, 140452), (511, 134680), (518, 132860), (520, 132349), (584, 117845), (637, 108040), (728, 94535), (730, 94276), (740, 93002), (910, 75628), (949, 72520), (962, 71540), (980, 70226), (1022, 67340), (1036, 66430), (1274, 54020), (1295, 53144), (1460, 47138), (1480, 46501), (1813, 37960), (1820, 37814), (1898, 36260), (1924, 35770), (1960, 35113), (2044, 33670), (2072, 33215), (2405, 28616), (2548, 27010), (2555, 26936), (2590, 26572), (2701, 25480), (2920, 23569), (3185, 21608), (3367, 20440), (3577, 19240), (3626, 18980), (3640, 18907), (3796, 18130), (3848, 17885), (4088, 16835), (4745, 14504), (4810, 14308), (5096, 13505), (5110, 13468), (5180, 13286), (5402, 12740), (6370, 10804), (6643, 10360), (6734, 10220), (7154, 9620), (7252, 9490), (7592, 9065)]