8040240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:891

約数の個数: 120

約数和(自身を含む): 29112720

約数和(自身を除く): 21072480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 859, 936, 1040, 1170, 1560, 1718, 1872, 2340, 2577, 3120, 3436, 4295, 4680, 5154, 6872, 7731, 8590, 9360, 10308, 11167, 12885, 13744, 15462, 17180, 20616, 22334, 25770, 30924, 33501, 34360, 38655, 41232, 44668, 51540, 55835, 61848, 67002, 68720, 77310, 89336, 100503, 103080, 111670, 123696, 134004, 154620, 167505, 178672, 201006, 206160, 223340, 268008, 309240, 335010, 402012, 446680, 502515, 536016, 618480, 670020, 804024, 893360, 1005030, 1340040, 1608048, 2010060, 2680080, 4020120, 8040240]

約数ペア:

[(1, 8040240), (2, 4020120), (3, 2680080), (4, 2010060), (5, 1608048), (6, 1340040), (8, 1005030), (9, 893360), (10, 804024), (12, 670020), (13, 618480), (15, 536016), (16, 502515), (18, 446680), (20, 402012), (24, 335010), (26, 309240), (30, 268008), (36, 223340), (39, 206160), (40, 201006), (45, 178672), (48, 167505), (52, 154620), (60, 134004), (65, 123696), (72, 111670), (78, 103080), (80, 100503), (90, 89336), (104, 77310), (117, 68720), (120, 67002), (130, 61848), (144, 55835), (156, 51540), (180, 44668), (195, 41232), (208, 38655), (234, 34360), (240, 33501), (260, 30924), (312, 25770), (360, 22334), (390, 20616), (468, 17180), (520, 15462), (585, 13744), (624, 12885), (720, 11167), (780, 10308), (859, 9360), (936, 8590), (1040, 7731), (1170, 6872), (1560, 5154), (1718, 4680), (1872, 4295), (2340, 3436), (2577, 3120)]