209431560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 192

約数和(自身を含む): 711504000

約数和(自身を除く): 502072440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 169, 184, 195, 230, 260, 276, 299, 312, 338, 345, 390, 449, 460, 507, 520, 552, 598, 676, 690, 780, 845, 897, 898, 920, 1014, 1196, 1347, 1352, 1380, 1495, 1560, 1690, 1794, 1796, 2028, 2245, 2392, 2535, 2694, 2760, 2990, 3380, 3588, 3592, 3887, 4056, 4485, 4490, 5070, 5388, 5837, 5980, 6735, 6760, 7176, 7774, 8970, 8980, 10140, 10327, 10776, 11661, 11674, 11960, 13470, 15548, 17511, 17940, 17960, 19435, 20280, 20654, 23322, 23348, 26940, 29185, 30981, 31096, 35022, 35880, 38870, 41308, 46644, 46696, 51635, 53880, 58305, 58370, 61962, 70044, 75881, 77740, 82616, 87555, 93288, 103270, 116610, 116740, 123924, 134251, 140088, 151762, 154905, 155480, 175110, 206540, 227643, 233220, 233480, 247848, 268502, 303524, 309810, 350220, 379405, 402753, 413080, 455286, 466440, 537004, 607048, 619620, 671255, 700440, 758810, 805506, 910572, 1074008, 1138215, 1239240, 1342510, 1517620, 1611012, 1745263, 1821144, 2013765, 2276430, 2685020, 3035240, 3222024, 3490526, 4027530, 4552860, 5235789, 5370040, 6981052, 8055060, 8726315, 9105720, 10471578, 13962104, 16110120, 17452630, 20943156, 26178945, 34905260, 41886312, 52357890, 69810520, 104715780, 209431560]

約数ペア:

[(1, 209431560), (2, 104715780), (3, 69810520), (4, 52357890), (5, 41886312), (6, 34905260), (8, 26178945), (10, 20943156), (12, 17452630), (13, 16110120), (15, 13962104), (20, 10471578), (23, 9105720), (24, 8726315), (26, 8055060), (30, 6981052), (39, 5370040), (40, 5235789), (46, 4552860), (52, 4027530), (60, 3490526), (65, 3222024), (69, 3035240), (78, 2685020), (92, 2276430), (104, 2013765), (115, 1821144), (120, 1745263), (130, 1611012), (138, 1517620), (156, 1342510), (169, 1239240), (184, 1138215), (195, 1074008), (230, 910572), (260, 805506), (276, 758810), (299, 700440), (312, 671255), (338, 619620), (345, 607048), (390, 537004), (449, 466440), (460, 455286), (507, 413080), (520, 402753), (552, 379405), (598, 350220), (676, 309810), (690, 303524), (780, 268502), (845, 247848), (897, 233480), (898, 233220), (920, 227643), (1014, 206540), (1196, 175110), (1347, 155480), (1352, 154905), (1380, 151762), (1495, 140088), (1560, 134251), (1690, 123924), (1794, 116740), (1796, 116610), (2028, 103270), (2245, 93288), (2392, 87555), (2535, 82616), (2694, 77740), (2760, 75881), (2990, 70044), (3380, 61962), (3588, 58370), (3592, 58305), (3887, 53880), (4056, 51635), (4485, 46696), (4490, 46644), (5070, 41308), (5388, 38870), (5837, 35880), (5980, 35022), (6735, 31096), (6760, 30981), (7176, 29185), (7774, 26940), (8970, 23348), (8980, 23322), (10140, 20654), (10327, 20280), (10776, 19435), (11661, 17960), (11674, 17940), (11960, 17511), (13470, 15548)]