197405520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 688384512

約数和(自身を除く): 490978992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 157, 169, 186, 195, 208, 240, 248, 260, 310, 312, 314, 338, 372, 390, 403, 465, 471, 496, 507, 520, 620, 624, 628, 676, 744, 780, 785, 806, 845, 930, 942, 1014, 1040, 1209, 1240, 1256, 1352, 1488, 1560, 1570, 1612, 1690, 1860, 1884, 2015, 2028, 2041, 2355, 2418, 2480, 2512, 2535, 2704, 3120, 3140, 3224, 3380, 3720, 3768, 4030, 4056, 4082, 4710, 4836, 4867, 5070, 5239, 6045, 6123, 6280, 6448, 6760, 7440, 7536, 8060, 8112, 8164, 9420, 9672, 9734, 10140, 10205, 10478, 12090, 12246, 12560, 13520, 14601, 15717, 16120, 16328, 18840, 19344, 19468, 20280, 20410, 20956, 24180, 24335, 24492, 26195, 26533, 29202, 30615, 31434, 32240, 32656, 37680, 38936, 40560, 40820, 41912, 48360, 48670, 48984, 52390, 53066, 58404, 61230, 62868, 63271, 73005, 77872, 78585, 79599, 81640, 83824, 96720, 97340, 97968, 104780, 106132, 116808, 122460, 125736, 126542, 132665, 146010, 157170, 159198, 163280, 189813, 194680, 209560, 212264, 233616, 244920, 251472, 253084, 265330, 292020, 314340, 316355, 318396, 379626, 389360, 397995, 419120, 424528, 489840, 506168, 530660, 584040, 628680, 632710, 636792, 759252, 795990, 822523, 949065, 1012336, 1061320, 1168080, 1257360, 1265420, 1273584, 1518504, 1591980, 1645046, 1898130, 2122640, 2467569, 2530840, 3037008, 3183960, 3290092, 3796260, 4112615, 4935138, 5061680, 6367920, 6580184, 7592520, 8225230, 9870276, 12337845, 13160368, 15185040, 16450460, 19740552, 24675690, 32900920, 39481104, 49351380, 65801840, 98702760, 197405520]

約数ペア:

[(1, 197405520), (2, 98702760), (3, 65801840), (4, 49351380), (5, 39481104), (6, 32900920), (8, 24675690), (10, 19740552), (12, 16450460), (13, 15185040), (15, 13160368), (16, 12337845), (20, 9870276), (24, 8225230), (26, 7592520), (30, 6580184), (31, 6367920), (39, 5061680), (40, 4935138), (48, 4112615), (52, 3796260), (60, 3290092), (62, 3183960), (65, 3037008), (78, 2530840), (80, 2467569), (93, 2122640), (104, 1898130), (120, 1645046), (124, 1591980), (130, 1518504), (155, 1273584), (156, 1265420), (157, 1257360), (169, 1168080), (186, 1061320), (195, 1012336), (208, 949065), (240, 822523), (248, 795990), (260, 759252), (310, 636792), (312, 632710), (314, 628680), (338, 584040), (372, 530660), (390, 506168), (403, 489840), (465, 424528), (471, 419120), (496, 397995), (507, 389360), (520, 379626), (620, 318396), (624, 316355), (628, 314340), (676, 292020), (744, 265330), (780, 253084), (785, 251472), (806, 244920), (845, 233616), (930, 212264), (942, 209560), (1014, 194680), (1040, 189813), (1209, 163280), (1240, 159198), (1256, 157170), (1352, 146010), (1488, 132665), (1560, 126542), (1570, 125736), (1612, 122460), (1690, 116808), (1860, 106132), (1884, 104780), (2015, 97968), (2028, 97340), (2041, 96720), (2355, 83824), (2418, 81640), (2480, 79599), (2512, 78585), (2535, 77872), (2704, 73005), (3120, 63271), (3140, 62868), (3224, 61230), (3380, 58404), (3720, 53066), (3768, 52390), (4030, 48984), (4056, 48670), (4082, 48360), (4710, 41912), (4836, 40820), (4867, 40560), (5070, 38936), (5239, 37680), (6045, 32656), (6123, 32240), (6280, 31434), (6448, 30615), (6760, 29202), (7440, 26533), (7536, 26195), (8060, 24492), (8112, 24335), (8164, 24180), (9420, 20956), (9672, 20410), (9734, 20280), (10140, 19468), (10205, 19344), (10478, 18840), (12090, 16328), (12246, 16120), (12560, 15717), (13520, 14601)]