1621609920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{11491}}^1$

素因数の和:11528

約数の個数: 252

約数和(自身を含む): 6488865864

約数和(自身を除く): 4867255944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11491, 11760, 14112, 15680, 17640, 20160, 22982, 23520, 28224, 34473, 35280, 45964, 47040, 57455, 68946, 70560, 80437, 91928, 103419, 114910, 137892, 141120, 160874, 172365, 183856, 206838, 229820, 241311, 275784, 321748, 344730, 367712, 402185, 413676, 459640, 482622, 517095, 551568, 563059, 643496, 689460, 723933, 735424, 804370, 827352, 919280, 965244, 1034190, 1103136, 1126118, 1206555, 1286992, 1378920, 1447866, 1608740, 1654704, 1689177, 1838560, 1930488, 2068380, 2206272, 2252236, 2413110, 2573984, 2757840, 2815295, 2895732, 3217480, 3309408, 3378354, 3619665, 3677120, 3860976, 4136760, 4504472, 4826220, 5067531, 5147968, 5515680, 5630590, 5791464, 6434960, 6618816, 6756708, 7239330, 7721952, 8273520, 8445885, 9008944, 9652440, 10135062, 11031360, 11261180, 11582928, 12869920, 13513416, 14478660, 15443904, 16547040, 16891770, 18017888, 19304880, 20270124, 22522360, 23165856, 25337655, 25739840, 27026832, 28957320, 33094080, 33783540, 36035776, 38609760, 40540248, 45044720, 46331712, 50675310, 54053664, 57914640, 67567080, 77219520, 81080496, 90089440, 101350620, 108107328, 115829280, 135134160, 162160992, 180178880, 202701240, 231658560, 270268320, 324321984, 405402480, 540536640, 810804960, 1621609920]

約数ペア:

[(1, 1621609920), (2, 810804960), (3, 540536640), (4, 405402480), (5, 324321984), (6, 270268320), (7, 231658560), (8, 202701240), (9, 180178880), (10, 162160992), (12, 135134160), (14, 115829280), (15, 108107328), (16, 101350620), (18, 90089440), (20, 81080496), (21, 77219520), (24, 67567080), (28, 57914640), (30, 54053664), (32, 50675310), (35, 46331712), (36, 45044720), (40, 40540248), (42, 38609760), (45, 36035776), (48, 33783540), (49, 33094080), (56, 28957320), (60, 27026832), (63, 25739840), (64, 25337655), (70, 23165856), (72, 22522360), (80, 20270124), (84, 19304880), (90, 18017888), (96, 16891770), (98, 16547040), (105, 15443904), (112, 14478660), (120, 13513416), (126, 12869920), (140, 11582928), (144, 11261180), (147, 11031360), (160, 10135062), (168, 9652440), (180, 9008944), (192, 8445885), (196, 8273520), (210, 7721952), (224, 7239330), (240, 6756708), (245, 6618816), (252, 6434960), (280, 5791464), (288, 5630590), (294, 5515680), (315, 5147968), (320, 5067531), (336, 4826220), (360, 4504472), (392, 4136760), (420, 3860976), (441, 3677120), (448, 3619665), (480, 3378354), (490, 3309408), (504, 3217480), (560, 2895732), (576, 2815295), (588, 2757840), (630, 2573984), (672, 2413110), (720, 2252236), (735, 2206272), (784, 2068380), (840, 1930488), (882, 1838560), (960, 1689177), (980, 1654704), (1008, 1608740), (1120, 1447866), (1176, 1378920), (1260, 1286992), (1344, 1206555), (1440, 1126118), (1470, 1103136), (1568, 1034190), (1680, 965244), (1764, 919280), (1960, 827352), (2016, 804370), (2205, 735424), (2240, 723933), (2352, 689460), (2520, 643496), (2880, 563059), (2940, 551568), (3136, 517095), (3360, 482622), (3528, 459640), (3920, 413676), (4032, 402185), (4410, 367712), (4704, 344730), (5040, 321748), (5880, 275784), (6720, 241311), (7056, 229820), (7840, 206838), (8820, 183856), (9408, 172365), (10080, 160874), (11491, 141120), (11760, 137892), (14112, 114910), (15680, 103419), (17640, 91928), (20160, 80437), (22982, 70560), (23520, 68946), (28224, 57455), (34473, 47040), (35280, 45964)]