163327840

素因数分解:

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

素因数の和:225

約数の個数: 192

約数和(自身を含む): 457228800

約数和(自身を除く): 293900960

約数列:

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

約数ペア:

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