71911840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 192

約数和(自身を含む): 228614400

約数和(自身を除く): 156702560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 352, 364, 385, 416, 440, 449, 455, 520, 560, 572, 616, 715, 728, 770, 880, 898, 910, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1760, 1796, 1820, 2002, 2080, 2245, 2288, 2464, 2860, 2912, 3080, 3143, 3592, 3640, 4004, 4490, 4576, 4939, 5005, 5720, 5837, 6160, 6286, 7184, 7280, 8008, 8980, 9878, 10010, 11440, 11674, 12320, 12572, 14368, 14560, 15715, 16016, 17960, 19756, 20020, 22880, 23348, 24695, 25144, 29185, 31430, 32032, 34573, 35920, 39512, 40040, 40859, 46696, 49390, 50288, 58370, 62860, 64207, 69146, 71840, 79024, 80080, 81718, 93392, 98780, 100576, 116740, 125720, 128414, 138292, 158048, 160160, 163436, 172865, 186784, 197560, 204295, 233480, 251440, 256828, 276584, 321035, 326872, 345730, 395120, 408590, 449449, 466960, 502880, 513656, 553168, 642070, 653744, 691460, 790240, 817180, 898898, 933920, 1027312, 1106336, 1284140, 1307488, 1382920, 1634360, 1797796, 2054624, 2247245, 2568280, 2765840, 3268720, 3595592, 4494490, 5136560, 5531680, 6537440, 7191184, 8988980, 10273120, 14382368, 17977960, 35955920, 71911840]

約数ペア:

[(1, 71911840), (2, 35955920), (4, 17977960), (5, 14382368), (7, 10273120), (8, 8988980), (10, 7191184), (11, 6537440), (13, 5531680), (14, 5136560), (16, 4494490), (20, 3595592), (22, 3268720), (26, 2765840), (28, 2568280), (32, 2247245), (35, 2054624), (40, 1797796), (44, 1634360), (52, 1382920), (55, 1307488), (56, 1284140), (65, 1106336), (70, 1027312), (77, 933920), (80, 898898), (88, 817180), (91, 790240), (104, 691460), (110, 653744), (112, 642070), (130, 553168), (140, 513656), (143, 502880), (154, 466960), (160, 449449), (176, 408590), (182, 395120), (208, 345730), (220, 326872), (224, 321035), (260, 276584), (280, 256828), (286, 251440), (308, 233480), (352, 204295), (364, 197560), (385, 186784), (416, 172865), (440, 163436), (449, 160160), (455, 158048), (520, 138292), (560, 128414), (572, 125720), (616, 116740), (715, 100576), (728, 98780), (770, 93392), (880, 81718), (898, 80080), (910, 79024), (1001, 71840), (1040, 69146), (1120, 64207), (1144, 62860), (1232, 58370), (1430, 50288), (1456, 49390), (1540, 46696), (1760, 40859), (1796, 40040), (1820, 39512), (2002, 35920), (2080, 34573), (2245, 32032), (2288, 31430), (2464, 29185), (2860, 25144), (2912, 24695), (3080, 23348), (3143, 22880), (3592, 20020), (3640, 19756), (4004, 17960), (4490, 16016), (4576, 15715), (4939, 14560), (5005, 14368), (5720, 12572), (5837, 12320), (6160, 11674), (6286, 11440), (7184, 10010), (7280, 9878), (8008, 8980)]