285428520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:960

約数の個数: 192

約数和(自身を含む): 1014249600

約数和(自身を除く): 728821080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 71, 72, 78, 90, 104, 117, 120, 130, 142, 156, 180, 195, 213, 234, 260, 284, 312, 355, 360, 390, 426, 468, 520, 568, 585, 639, 710, 780, 852, 859, 923, 936, 1065, 1170, 1278, 1420, 1560, 1704, 1718, 1846, 2130, 2340, 2556, 2577, 2769, 2840, 3195, 3436, 3692, 4260, 4295, 4615, 4680, 5112, 5154, 5538, 6390, 6872, 7384, 7731, 8307, 8520, 8590, 9230, 10308, 11076, 11167, 12780, 12885, 13845, 15462, 16614, 17180, 18460, 20616, 22152, 22334, 25560, 25770, 27690, 30924, 33228, 33501, 34360, 36920, 38655, 41535, 44668, 51540, 55380, 55835, 60989, 61848, 66456, 67002, 77310, 83070, 89336, 100503, 103080, 110760, 111670, 121978, 134004, 154620, 166140, 167505, 182967, 201006, 223340, 243956, 268008, 304945, 309240, 332280, 335010, 365934, 402012, 446680, 487912, 502515, 548901, 609890, 670020, 731868, 792857, 804024, 914835, 1005030, 1097802, 1219780, 1340040, 1463736, 1585714, 1829670, 2010060, 2195604, 2378571, 2439560, 2744505, 3171428, 3659340, 3964285, 4020120, 4391208, 4757142, 5489010, 6342856, 7135713, 7318680, 7928570, 9514284, 10978020, 11892855, 14271426, 15857140, 19028568, 21956040, 23785710, 28542852, 31714280, 35678565, 47571420, 57085704, 71357130, 95142840, 142714260, 285428520]

約数ペア:

[(1, 285428520), (2, 142714260), (3, 95142840), (4, 71357130), (5, 57085704), (6, 47571420), (8, 35678565), (9, 31714280), (10, 28542852), (12, 23785710), (13, 21956040), (15, 19028568), (18, 15857140), (20, 14271426), (24, 11892855), (26, 10978020), (30, 9514284), (36, 7928570), (39, 7318680), (40, 7135713), (45, 6342856), (52, 5489010), (60, 4757142), (65, 4391208), (71, 4020120), (72, 3964285), (78, 3659340), (90, 3171428), (104, 2744505), (117, 2439560), (120, 2378571), (130, 2195604), (142, 2010060), (156, 1829670), (180, 1585714), (195, 1463736), (213, 1340040), (234, 1219780), (260, 1097802), (284, 1005030), (312, 914835), (355, 804024), (360, 792857), (390, 731868), (426, 670020), (468, 609890), (520, 548901), (568, 502515), (585, 487912), (639, 446680), (710, 402012), (780, 365934), (852, 335010), (859, 332280), (923, 309240), (936, 304945), (1065, 268008), (1170, 243956), (1278, 223340), (1420, 201006), (1560, 182967), (1704, 167505), (1718, 166140), (1846, 154620), (2130, 134004), (2340, 121978), (2556, 111670), (2577, 110760), (2769, 103080), (2840, 100503), (3195, 89336), (3436, 83070), (3692, 77310), (4260, 67002), (4295, 66456), (4615, 61848), (4680, 60989), (5112, 55835), (5154, 55380), (5538, 51540), (6390, 44668), (6872, 41535), (7384, 38655), (7731, 36920), (8307, 34360), (8520, 33501), (8590, 33228), (9230, 30924), (10308, 27690), (11076, 25770), (11167, 25560), (12780, 22334), (12885, 22152), (13845, 20616), (15462, 18460), (16614, 17180)]