212131920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:930

約数の個数: 320

約数和(自身を含む): 883943424

約数和(自身を除く): 671811504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 420, 429, 440, 455, 462, 520, 528, 546, 560, 572, 616, 624, 660, 715, 728, 770, 780, 840, 858, 880, 883, 910, 924, 1001, 1040, 1092, 1144, 1155, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1766, 1820, 1848, 2002, 2145, 2184, 2288, 2310, 2640, 2649, 2730, 2860, 3003, 3080, 3120, 3432, 3532, 3640, 3696, 4004, 4290, 4368, 4415, 4620, 5005, 5298, 5460, 5720, 6006, 6160, 6181, 6864, 7064, 7280, 8008, 8580, 8830, 9240, 9713, 10010, 10596, 10920, 11440, 11479, 12012, 12362, 13245, 14128, 15015, 16016, 17160, 17660, 18480, 18543, 19426, 20020, 21192, 21840, 22958, 24024, 24724, 26490, 29139, 30030, 30905, 34320, 34437, 35320, 37086, 38852, 40040, 42384, 45916, 48048, 48565, 49448, 52980, 57395, 58278, 60060, 61810, 67991, 68874, 70640, 74172, 77704, 80080, 80353, 91832, 92715, 97130, 98896, 105960, 114790, 116556, 120120, 123620, 126269, 135982, 137748, 145695, 148344, 155408, 160706, 172185, 183664, 185430, 194260, 203973, 211920, 229580, 233112, 240240, 241059, 247240, 252538, 271964, 275496, 291390, 296688, 321412, 339955, 344370, 370860, 378807, 388520, 401765, 407946, 459160, 466224, 482118, 494480, 505076, 543928, 550992, 582780, 631345, 642824, 679910, 688740, 741720, 757614, 777040, 803530, 815892, 883883, 918320, 964236, 1010152, 1019865, 1087856, 1165560, 1205295, 1262690, 1285648, 1359820, 1377480, 1483440, 1515228, 1607060, 1631784, 1767766, 1894035, 1928472, 2020304, 2039730, 2331120, 2410590, 2525380, 2651649, 2719640, 2754960, 3030456, 3214120, 3263568, 3535532, 3788070, 3856944, 4079460, 4419415, 4821180, 5050760, 5303298, 5439280, 6060912, 6428240, 7071064, 7576140, 8158920, 8838830, 9642360, 10101520, 10606596, 13258245, 14142128, 15152280, 16317840, 17677660, 19284720, 21213192, 26516490, 30304560, 35355320, 42426384, 53032980, 70710640, 106065960, 212131920]

約数ペア:

[(1, 212131920), (2, 106065960), (3, 70710640), (4, 53032980), (5, 42426384), (6, 35355320), (7, 30304560), (8, 26516490), (10, 21213192), (11, 19284720), (12, 17677660), (13, 16317840), (14, 15152280), (15, 14142128), (16, 13258245), (20, 10606596), (21, 10101520), (22, 9642360), (24, 8838830), (26, 8158920), (28, 7576140), (30, 7071064), (33, 6428240), (35, 6060912), (39, 5439280), (40, 5303298), (42, 5050760), (44, 4821180), (48, 4419415), (52, 4079460), (55, 3856944), (56, 3788070), (60, 3535532), (65, 3263568), (66, 3214120), (70, 3030456), (77, 2754960), (78, 2719640), (80, 2651649), (84, 2525380), (88, 2410590), (91, 2331120), (104, 2039730), (105, 2020304), (110, 1928472), (112, 1894035), (120, 1767766), (130, 1631784), (132, 1607060), (140, 1515228), (143, 1483440), (154, 1377480), (156, 1359820), (165, 1285648), (168, 1262690), (176, 1205295), (182, 1165560), (195, 1087856), (208, 1019865), (210, 1010152), (220, 964236), (231, 918320), (240, 883883), (260, 815892), (264, 803530), (273, 777040), (280, 757614), (286, 741720), (308, 688740), (312, 679910), (330, 642824), (336, 631345), (364, 582780), (385, 550992), (390, 543928), (420, 505076), (429, 494480), (440, 482118), (455, 466224), (462, 459160), (520, 407946), (528, 401765), (546, 388520), (560, 378807), (572, 370860), (616, 344370), (624, 339955), (660, 321412), (715, 296688), (728, 291390), (770, 275496), (780, 271964), (840, 252538), (858, 247240), (880, 241059), (883, 240240), (910, 233112), (924, 229580), (1001, 211920), (1040, 203973), (1092, 194260), (1144, 185430), (1155, 183664), (1232, 172185), (1320, 160706), (1365, 155408), (1430, 148344), (1456, 145695), (1540, 137748), (1560, 135982), (1680, 126269), (1716, 123620), (1766, 120120), (1820, 116556), (1848, 114790), (2002, 105960), (2145, 98896), (2184, 97130), (2288, 92715), (2310, 91832), (2640, 80353), (2649, 80080), (2730, 77704), (2860, 74172), (3003, 70640), (3080, 68874), (3120, 67991), (3432, 61810), (3532, 60060), (3640, 58278), (3696, 57395), (4004, 52980), (4290, 49448), (4368, 48565), (4415, 48048), (4620, 45916), (5005, 42384), (5298, 40040), (5460, 38852), (5720, 37086), (6006, 35320), (6160, 34437), (6181, 34320), (6864, 30905), (7064, 30030), (7280, 29139), (8008, 26490), (8580, 24724), (8830, 24024), (9240, 22958), (9713, 21840), (10010, 21192), (10596, 20020), (10920, 19426), (11440, 18543), (11479, 18480), (12012, 17660), (12362, 17160), (13245, 16016), (14128, 15015)]