89999280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 180

約数和(自身を含む): 351731952

約数和(自身を除く): 261732672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2551, 2940, 3528, 3920, 4410, 5040, 5102, 5880, 7056, 7653, 8820, 10204, 11760, 12755, 15306, 17640, 17857, 20408, 22959, 25510, 30612, 35280, 35714, 38265, 40816, 45918, 51020, 53571, 61224, 71428, 76530, 89285, 91836, 102040, 107142, 114795, 122448, 124999, 142856, 153060, 160713, 178570, 183672, 204080, 214284, 229590, 249998, 267855, 285712, 306120, 321426, 357140, 367344, 374997, 428568, 459180, 499996, 535710, 612240, 624995, 642852, 714280, 749994, 803565, 857136, 918360, 999992, 1071420, 1124991, 1249990, 1285704, 1428560, 1499988, 1607130, 1836720, 1874985, 1999984, 2142840, 2249982, 2499980, 2571408, 2999976, 3214260, 3749970, 4285680, 4499964, 4999960, 5624955, 5999952, 6428520, 7499940, 8999928, 9999920, 11249910, 12857040, 14999880, 17999856, 22499820, 29999760, 44999640, 89999280]

約数ペア:

[(1, 89999280), (2, 44999640), (3, 29999760), (4, 22499820), (5, 17999856), (6, 14999880), (7, 12857040), (8, 11249910), (9, 9999920), (10, 8999928), (12, 7499940), (14, 6428520), (15, 5999952), (16, 5624955), (18, 4999960), (20, 4499964), (21, 4285680), (24, 3749970), (28, 3214260), (30, 2999976), (35, 2571408), (36, 2499980), (40, 2249982), (42, 2142840), (45, 1999984), (48, 1874985), (49, 1836720), (56, 1607130), (60, 1499988), (63, 1428560), (70, 1285704), (72, 1249990), (80, 1124991), (84, 1071420), (90, 999992), (98, 918360), (105, 857136), (112, 803565), (120, 749994), (126, 714280), (140, 642852), (144, 624995), (147, 612240), (168, 535710), (180, 499996), (196, 459180), (210, 428568), (240, 374997), (245, 367344), (252, 357140), (280, 321426), (294, 306120), (315, 285712), (336, 267855), (360, 249998), (392, 229590), (420, 214284), (441, 204080), (490, 183672), (504, 178570), (560, 160713), (588, 153060), (630, 142856), (720, 124999), (735, 122448), (784, 114795), (840, 107142), (882, 102040), (980, 91836), (1008, 89285), (1176, 76530), (1260, 71428), (1470, 61224), (1680, 53571), (1764, 51020), (1960, 45918), (2205, 40816), (2352, 38265), (2520, 35714), (2551, 35280), (2940, 30612), (3528, 25510), (3920, 22959), (4410, 20408), (5040, 17857), (5102, 17640), (5880, 15306), (7056, 12755), (7653, 11760), (8820, 10204)]