212399880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 256

約数和(自身を含む): 805109760

約数和(自身を除く): 592709880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 127, 132, 140, 154, 165, 168, 181, 210, 220, 231, 254, 264, 280, 308, 330, 362, 381, 385, 420, 440, 462, 508, 543, 616, 635, 660, 724, 762, 770, 840, 889, 905, 924, 1016, 1086, 1155, 1267, 1270, 1320, 1397, 1448, 1524, 1540, 1778, 1810, 1848, 1905, 1991, 2172, 2310, 2534, 2540, 2667, 2715, 2794, 3048, 3080, 3556, 3620, 3801, 3810, 3982, 4191, 4344, 4445, 4620, 5068, 5080, 5334, 5430, 5588, 5973, 6335, 6985, 7112, 7240, 7602, 7620, 7964, 8382, 8890, 9240, 9779, 9955, 10136, 10668, 10860, 11176, 11946, 12670, 13335, 13937, 13970, 15204, 15240, 15928, 16764, 17780, 19005, 19558, 19910, 20955, 21336, 21720, 22987, 23892, 25340, 26670, 27874, 27940, 29337, 29865, 30408, 33528, 35560, 38010, 39116, 39820, 41811, 41910, 45974, 47784, 48895, 50680, 53340, 55748, 55880, 58674, 59730, 68961, 69685, 76020, 78232, 79640, 83622, 83820, 91948, 97790, 106680, 111496, 114935, 117348, 119460, 137922, 139370, 146685, 152040, 160909, 167244, 167640, 183896, 195580, 209055, 229870, 234696, 238920, 252857, 275844, 278740, 293370, 321818, 334488, 344805, 391160, 418110, 459740, 482727, 505714, 551688, 557480, 586740, 643636, 689610, 758571, 804545, 836220, 919480, 965454, 1011428, 1173480, 1264285, 1287272, 1379220, 1517142, 1609090, 1672440, 1769999, 1930908, 2022856, 2413635, 2528570, 2758440, 3034284, 3218180, 3539998, 3792855, 3861816, 4827270, 5057140, 5309997, 6068568, 6436360, 7079996, 7585710, 8849995, 9654540, 10114280, 10619994, 14159992, 15171420, 17699990, 19309080, 21239988, 26549985, 30342840, 35399980, 42479976, 53099970, 70799960, 106199940, 212399880]

約数ペア:

[(1, 212399880), (2, 106199940), (3, 70799960), (4, 53099970), (5, 42479976), (6, 35399980), (7, 30342840), (8, 26549985), (10, 21239988), (11, 19309080), (12, 17699990), (14, 15171420), (15, 14159992), (20, 10619994), (21, 10114280), (22, 9654540), (24, 8849995), (28, 7585710), (30, 7079996), (33, 6436360), (35, 6068568), (40, 5309997), (42, 5057140), (44, 4827270), (55, 3861816), (56, 3792855), (60, 3539998), (66, 3218180), (70, 3034284), (77, 2758440), (84, 2528570), (88, 2413635), (105, 2022856), (110, 1930908), (120, 1769999), (127, 1672440), (132, 1609090), (140, 1517142), (154, 1379220), (165, 1287272), (168, 1264285), (181, 1173480), (210, 1011428), (220, 965454), (231, 919480), (254, 836220), (264, 804545), (280, 758571), (308, 689610), (330, 643636), (362, 586740), (381, 557480), (385, 551688), (420, 505714), (440, 482727), (462, 459740), (508, 418110), (543, 391160), (616, 344805), (635, 334488), (660, 321818), (724, 293370), (762, 278740), (770, 275844), (840, 252857), (889, 238920), (905, 234696), (924, 229870), (1016, 209055), (1086, 195580), (1155, 183896), (1267, 167640), (1270, 167244), (1320, 160909), (1397, 152040), (1448, 146685), (1524, 139370), (1540, 137922), (1778, 119460), (1810, 117348), (1848, 114935), (1905, 111496), (1991, 106680), (2172, 97790), (2310, 91948), (2534, 83820), (2540, 83622), (2667, 79640), (2715, 78232), (2794, 76020), (3048, 69685), (3080, 68961), (3556, 59730), (3620, 58674), (3801, 55880), (3810, 55748), (3982, 53340), (4191, 50680), (4344, 48895), (4445, 47784), (4620, 45974), (5068, 41910), (5080, 41811), (5334, 39820), (5430, 39116), (5588, 38010), (5973, 35560), (6335, 33528), (6985, 30408), (7112, 29865), (7240, 29337), (7602, 27940), (7620, 27874), (7964, 26670), (8382, 25340), (8890, 23892), (9240, 22987), (9779, 21720), (9955, 21336), (10136, 20955), (10668, 19910), (10860, 19558), (11176, 19005), (11946, 17780), (12670, 16764), (13335, 15928), (13937, 15240), (13970, 15204)]