280203480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 192

約数和(自身を含む): 973589760

約数和(自身を除く): 693386280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 60, 69, 72, 86, 90, 92, 115, 120, 129, 138, 172, 180, 184, 207, 215, 230, 258, 276, 344, 345, 360, 387, 414, 430, 460, 516, 552, 645, 690, 774, 787, 828, 860, 920, 989, 1032, 1035, 1290, 1380, 1548, 1574, 1656, 1720, 1935, 1978, 2070, 2361, 2580, 2760, 2967, 3096, 3148, 3870, 3935, 3956, 4140, 4722, 4945, 5160, 5934, 6296, 7083, 7740, 7870, 7912, 8280, 8901, 9444, 9890, 11805, 11868, 14166, 14835, 15480, 15740, 17802, 18101, 18888, 19780, 23610, 23736, 28332, 29670, 31480, 33841, 35415, 35604, 36202, 39560, 44505, 47220, 54303, 56664, 59340, 67682, 70830, 71208, 72404, 89010, 90505, 94440, 101523, 108606, 118680, 135364, 141660, 144808, 162909, 169205, 178020, 181010, 203046, 217212, 270728, 271515, 283320, 304569, 325818, 338410, 356040, 362020, 406092, 434424, 507615, 543030, 609138, 651636, 676820, 724040, 778343, 812184, 814545, 1015230, 1086060, 1218276, 1303272, 1353640, 1522845, 1556686, 1629090, 2030460, 2172120, 2335029, 2436552, 3045690, 3113372, 3258180, 3891715, 4060920, 4670058, 6091380, 6226744, 6516360, 7005087, 7783430, 9340116, 11675145, 12182760, 14010174, 15566860, 18680232, 23350290, 28020348, 31133720, 35025435, 46700580, 56040696, 70050870, 93401160, 140101740, 280203480]

約数ペア:

[(1, 280203480), (2, 140101740), (3, 93401160), (4, 70050870), (5, 56040696), (6, 46700580), (8, 35025435), (9, 31133720), (10, 28020348), (12, 23350290), (15, 18680232), (18, 15566860), (20, 14010174), (23, 12182760), (24, 11675145), (30, 9340116), (36, 7783430), (40, 7005087), (43, 6516360), (45, 6226744), (46, 6091380), (60, 4670058), (69, 4060920), (72, 3891715), (86, 3258180), (90, 3113372), (92, 3045690), (115, 2436552), (120, 2335029), (129, 2172120), (138, 2030460), (172, 1629090), (180, 1556686), (184, 1522845), (207, 1353640), (215, 1303272), (230, 1218276), (258, 1086060), (276, 1015230), (344, 814545), (345, 812184), (360, 778343), (387, 724040), (414, 676820), (430, 651636), (460, 609138), (516, 543030), (552, 507615), (645, 434424), (690, 406092), (774, 362020), (787, 356040), (828, 338410), (860, 325818), (920, 304569), (989, 283320), (1032, 271515), (1035, 270728), (1290, 217212), (1380, 203046), (1548, 181010), (1574, 178020), (1656, 169205), (1720, 162909), (1935, 144808), (1978, 141660), (2070, 135364), (2361, 118680), (2580, 108606), (2760, 101523), (2967, 94440), (3096, 90505), (3148, 89010), (3870, 72404), (3935, 71208), (3956, 70830), (4140, 67682), (4722, 59340), (4945, 56664), (5160, 54303), (5934, 47220), (6296, 44505), (7083, 39560), (7740, 36202), (7870, 35604), (7912, 35415), (8280, 33841), (8901, 31480), (9444, 29670), (9890, 28332), (11805, 23736), (11868, 23610), (14166, 19780), (14835, 18888), (15480, 18101), (15740, 17802)]