280645560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2260

約数の個数: 192

約数和(自身を含む): 1019098080

約数和(自身を除く): 738452520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 648, 702, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1404, 1560, 1620, 1755, 1944, 2106, 2221, 2340, 2430, 2808, 3159, 3240, 3510, 4212, 4442, 4680, 4860, 5265, 6318, 6663, 7020, 8424, 8884, 9720, 10530, 11105, 12636, 13326, 14040, 15795, 17768, 19989, 21060, 22210, 25272, 26652, 28873, 31590, 33315, 39978, 42120, 44420, 53304, 57746, 59967, 63180, 66630, 79956, 86619, 88840, 99945, 115492, 119934, 126360, 133260, 144365, 159912, 173238, 179901, 199890, 230984, 239868, 259857, 266520, 288730, 299835, 346476, 359802, 399780, 433095, 479736, 519714, 539703, 577460, 599670, 692952, 719604, 779571, 799560, 866190, 899505, 1039428, 1079406, 1154920, 1199340, 1299285, 1439208, 1559142, 1732380, 1799010, 2078856, 2158812, 2338713, 2398680, 2598570, 2698515, 3118284, 3464760, 3598020, 3897855, 4317624, 4677426, 5197140, 5397030, 6236568, 7016139, 7196040, 7795710, 9354852, 10394280, 10794060, 11693565, 14032278, 15591420, 18709704, 21588120, 23387130, 28064556, 31182840, 35080695, 46774260, 56129112, 70161390, 93548520, 140322780, 280645560]

約数ペア:

[(1, 280645560), (2, 140322780), (3, 93548520), (4, 70161390), (5, 56129112), (6, 46774260), (8, 35080695), (9, 31182840), (10, 28064556), (12, 23387130), (13, 21588120), (15, 18709704), (18, 15591420), (20, 14032278), (24, 11693565), (26, 10794060), (27, 10394280), (30, 9354852), (36, 7795710), (39, 7196040), (40, 7016139), (45, 6236568), (52, 5397030), (54, 5197140), (60, 4677426), (65, 4317624), (72, 3897855), (78, 3598020), (81, 3464760), (90, 3118284), (104, 2698515), (108, 2598570), (117, 2398680), (120, 2338713), (130, 2158812), (135, 2078856), (156, 1799010), (162, 1732380), (180, 1559142), (195, 1439208), (216, 1299285), (234, 1199340), (243, 1154920), (260, 1079406), (270, 1039428), (312, 899505), (324, 866190), (351, 799560), (360, 779571), (390, 719604), (405, 692952), (468, 599670), (486, 577460), (520, 539703), (540, 519714), (585, 479736), (648, 433095), (702, 399780), (780, 359802), (810, 346476), (936, 299835), (972, 288730), (1053, 266520), (1080, 259857), (1170, 239868), (1215, 230984), (1404, 199890), (1560, 179901), (1620, 173238), (1755, 159912), (1944, 144365), (2106, 133260), (2221, 126360), (2340, 119934), (2430, 115492), (2808, 99945), (3159, 88840), (3240, 86619), (3510, 79956), (4212, 66630), (4442, 63180), (4680, 59967), (4860, 57746), (5265, 53304), (6318, 44420), (6663, 42120), (7020, 39978), (8424, 33315), (8884, 31590), (9720, 28873), (10530, 26652), (11105, 25272), (12636, 22210), (13326, 21060), (14040, 19989), (15795, 17768)]