326655680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 224

約数和(自身を含む): 921715200

約数和(自身を除く): 595059520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 124, 130, 136, 149, 155, 160, 170, 208, 221, 248, 260, 272, 298, 310, 320, 340, 403, 416, 442, 496, 520, 527, 544, 596, 620, 680, 745, 806, 832, 884, 992, 1040, 1054, 1088, 1105, 1192, 1240, 1360, 1490, 1612, 1768, 1937, 1984, 2015, 2080, 2108, 2210, 2384, 2480, 2533, 2635, 2720, 2980, 3224, 3536, 3874, 4030, 4160, 4216, 4420, 4619, 4768, 4960, 5066, 5270, 5440, 5960, 6448, 6851, 7072, 7748, 8060, 8432, 8840, 9238, 9536, 9685, 9920, 10132, 10540, 11920, 12665, 12896, 13702, 14144, 15496, 16120, 16864, 17680, 18476, 19370, 20264, 21080, 23095, 23840, 25330, 25792, 27404, 30992, 32240, 32929, 33728, 34255, 35360, 36952, 38740, 40528, 42160, 46190, 47680, 50660, 54808, 60047, 61984, 64480, 65858, 68510, 70720, 73904, 77480, 78523, 81056, 84320, 92380, 101320, 109616, 120094, 123968, 128960, 131716, 137020, 147808, 154960, 157046, 162112, 164645, 168640, 184760, 202640, 219232, 240188, 263432, 274040, 295616, 300235, 309920, 314092, 329290, 369520, 392615, 405280, 438464, 480376, 526864, 548080, 600470, 619840, 628184, 658580, 739040, 785230, 810560, 960752, 1020799, 1053728, 1096160, 1200940, 1256368, 1317160, 1478080, 1570460, 1921504, 2041598, 2107456, 2192320, 2401880, 2512736, 2634320, 3140920, 3843008, 4083196, 4803760, 5025472, 5103995, 5268640, 6281840, 8166392, 9607520, 10207990, 10537280, 12563680, 16332784, 19215040, 20415980, 25127360, 32665568, 40831960, 65331136, 81663920, 163327840, 326655680]

約数ペア:

[(1, 326655680), (2, 163327840), (4, 81663920), (5, 65331136), (8, 40831960), (10, 32665568), (13, 25127360), (16, 20415980), (17, 19215040), (20, 16332784), (26, 12563680), (31, 10537280), (32, 10207990), (34, 9607520), (40, 8166392), (52, 6281840), (62, 5268640), (64, 5103995), (65, 5025472), (68, 4803760), (80, 4083196), (85, 3843008), (104, 3140920), (124, 2634320), (130, 2512736), (136, 2401880), (149, 2192320), (155, 2107456), (160, 2041598), (170, 1921504), (208, 1570460), (221, 1478080), (248, 1317160), (260, 1256368), (272, 1200940), (298, 1096160), (310, 1053728), (320, 1020799), (340, 960752), (403, 810560), (416, 785230), (442, 739040), (496, 658580), (520, 628184), (527, 619840), (544, 600470), (596, 548080), (620, 526864), (680, 480376), (745, 438464), (806, 405280), (832, 392615), (884, 369520), (992, 329290), (1040, 314092), (1054, 309920), (1088, 300235), (1105, 295616), (1192, 274040), (1240, 263432), (1360, 240188), (1490, 219232), (1612, 202640), (1768, 184760), (1937, 168640), (1984, 164645), (2015, 162112), (2080, 157046), (2108, 154960), (2210, 147808), (2384, 137020), (2480, 131716), (2533, 128960), (2635, 123968), (2720, 120094), (2980, 109616), (3224, 101320), (3536, 92380), (3874, 84320), (4030, 81056), (4160, 78523), (4216, 77480), (4420, 73904), (4619, 70720), (4768, 68510), (4960, 65858), (5066, 64480), (5270, 61984), (5440, 60047), (5960, 54808), (6448, 50660), (6851, 47680), (7072, 46190), (7748, 42160), (8060, 40528), (8432, 38740), (8840, 36952), (9238, 35360), (9536, 34255), (9685, 33728), (9920, 32929), (10132, 32240), (10540, 30992), (11920, 27404), (12665, 25792), (12896, 25330), (13702, 23840), (14144, 23095), (15496, 21080), (16120, 20264), (16864, 19370), (17680, 18476)]