86964520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 136984280

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 53, 68, 76, 85, 95, 106, 127, 136, 152, 170, 190, 212, 254, 265, 323, 340, 380, 424, 508, 530, 635, 646, 680, 760, 901, 1007, 1016, 1060, 1270, 1292, 1615, 1802, 2014, 2120, 2159, 2413, 2540, 2584, 3230, 3604, 4028, 4318, 4505, 4826, 5035, 5080, 6460, 6731, 7208, 8056, 8636, 9010, 9652, 10070, 10795, 12065, 12920, 13462, 17119, 17272, 18020, 19304, 20140, 21590, 24130, 26924, 33655, 34238, 36040, 40280, 41021, 43180, 48260, 53848, 67310, 68476, 82042, 85595, 86360, 96520, 114427, 127889, 134620, 136952, 164084, 171190, 205105, 228854, 255778, 269240, 328168, 342380, 410210, 457708, 511556, 572135, 639445, 684760, 820420, 915416, 1023112, 1144270, 1278890, 1640840, 2174113, 2288540, 2557780, 4348226, 4577080, 5115560, 8696452, 10870565, 17392904, 21741130, 43482260, 86964520]

約数ペア:

[(1, 86964520), (2, 43482260), (4, 21741130), (5, 17392904), (8, 10870565), (10, 8696452), (17, 5115560), (19, 4577080), (20, 4348226), (34, 2557780), (38, 2288540), (40, 2174113), (53, 1640840), (68, 1278890), (76, 1144270), (85, 1023112), (95, 915416), (106, 820420), (127, 684760), (136, 639445), (152, 572135), (170, 511556), (190, 457708), (212, 410210), (254, 342380), (265, 328168), (323, 269240), (340, 255778), (380, 228854), (424, 205105), (508, 171190), (530, 164084), (635, 136952), (646, 134620), (680, 127889), (760, 114427), (901, 96520), (1007, 86360), (1016, 85595), (1060, 82042), (1270, 68476), (1292, 67310), (1615, 53848), (1802, 48260), (2014, 43180), (2120, 41021), (2159, 40280), (2413, 36040), (2540, 34238), (2584, 33655), (3230, 26924), (3604, 24130), (4028, 21590), (4318, 20140), (4505, 19304), (4826, 18020), (5035, 17272), (5080, 17119), (6460, 13462), (6731, 12920), (7208, 12065), (8056, 10795), (8636, 10070), (9010, 9652)]