71138520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 128

約数和(自身を含む): 239040000

約数和(自身を除く): 167901480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 331, 360, 398, 540, 597, 662, 796, 993, 995, 1080, 1194, 1324, 1592, 1655, 1791, 1986, 1990, 2388, 2648, 2979, 2985, 3310, 3582, 3972, 3980, 4776, 4965, 5373, 5958, 5970, 6620, 7164, 7944, 7960, 8937, 8955, 9930, 10746, 11916, 11940, 13240, 14328, 14895, 17874, 17910, 19860, 21492, 23832, 23880, 26865, 29790, 35748, 35820, 39720, 42984, 44685, 53730, 59580, 65869, 71496, 71640, 89370, 107460, 119160, 131738, 178740, 197607, 214920, 263476, 329345, 357480, 395214, 526952, 592821, 658690, 790428, 988035, 1185642, 1317380, 1580856, 1778463, 1976070, 2371284, 2634760, 2964105, 3556926, 3952140, 4742568, 5928210, 7113852, 7904280, 8892315, 11856420, 14227704, 17784630, 23712840, 35569260, 71138520]

約数ペア:

[(1, 71138520), (2, 35569260), (3, 23712840), (4, 17784630), (5, 14227704), (6, 11856420), (8, 8892315), (9, 7904280), (10, 7113852), (12, 5928210), (15, 4742568), (18, 3952140), (20, 3556926), (24, 2964105), (27, 2634760), (30, 2371284), (36, 1976070), (40, 1778463), (45, 1580856), (54, 1317380), (60, 1185642), (72, 988035), (90, 790428), (108, 658690), (120, 592821), (135, 526952), (180, 395214), (199, 357480), (216, 329345), (270, 263476), (331, 214920), (360, 197607), (398, 178740), (540, 131738), (597, 119160), (662, 107460), (796, 89370), (993, 71640), (995, 71496), (1080, 65869), (1194, 59580), (1324, 53730), (1592, 44685), (1655, 42984), (1791, 39720), (1986, 35820), (1990, 35748), (2388, 29790), (2648, 26865), (2979, 23880), (2985, 23832), (3310, 21492), (3582, 19860), (3972, 17910), (3980, 17874), (4776, 14895), (4965, 14328), (5373, 13240), (5958, 11940), (5970, 11916), (6620, 10746), (7164, 9930), (7944, 8955), (7960, 8937)]