390655440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{3691}}^1$

素因数の和:3727

約数の個数: 240

約数和(自身を含む): 1565703360

約数和(自身を除く): 1175047920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3691, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7382, 7560, 8820, 10584, 11073, 11760, 13230, 14764, 15120, 17640, 18455, 21168, 22146, 25837, 26460, 29528, 33219, 35280, 36910, 44292, 51674, 52920, 55365, 59056, 66438, 73820, 77511, 88584, 99657, 103348, 105840, 110730, 129185, 132876, 147640, 155022, 166095, 177168, 180859, 199314, 206696, 221460, 232533, 258370, 265752, 295280, 310044, 332190, 361718, 387555, 398628, 413392, 442920, 465066, 498285, 516740, 531504, 542577, 620088, 664380, 697599, 723436, 775110, 797256, 885840, 904295, 930132, 996570, 1033480, 1085154, 1162665, 1240176, 1328760, 1395198, 1446872, 1550220, 1594512, 1627731, 1808590, 1860264, 1993140, 2066960, 2170308, 2325330, 2657520, 2712885, 2790396, 2893744, 3100440, 3255462, 3487995, 3617180, 3720528, 3986280, 4340616, 4650660, 4883193, 5425770, 5580792, 6200880, 6510924, 6975990, 7234360, 7972560, 8138655, 8681232, 9301320, 9766386, 10851540, 11161584, 13021848, 13951980, 14468720, 16277310, 18602640, 19532772, 21703080, 24415965, 26043696, 27903960, 32554620, 39065544, 43406160, 48831930, 55807920, 65109240, 78131088, 97663860, 130218480, 195327720, 390655440]

約数ペア:

[(1, 390655440), (2, 195327720), (3, 130218480), (4, 97663860), (5, 78131088), (6, 65109240), (7, 55807920), (8, 48831930), (9, 43406160), (10, 39065544), (12, 32554620), (14, 27903960), (15, 26043696), (16, 24415965), (18, 21703080), (20, 19532772), (21, 18602640), (24, 16277310), (27, 14468720), (28, 13951980), (30, 13021848), (35, 11161584), (36, 10851540), (40, 9766386), (42, 9301320), (45, 8681232), (48, 8138655), (49, 7972560), (54, 7234360), (56, 6975990), (60, 6510924), (63, 6200880), (70, 5580792), (72, 5425770), (80, 4883193), (84, 4650660), (90, 4340616), (98, 3986280), (105, 3720528), (108, 3617180), (112, 3487995), (120, 3255462), (126, 3100440), (135, 2893744), (140, 2790396), (144, 2712885), (147, 2657520), (168, 2325330), (180, 2170308), (189, 2066960), (196, 1993140), (210, 1860264), (216, 1808590), (240, 1627731), (245, 1594512), (252, 1550220), (270, 1446872), (280, 1395198), (294, 1328760), (315, 1240176), (336, 1162665), (360, 1085154), (378, 1033480), (392, 996570), (420, 930132), (432, 904295), (441, 885840), (490, 797256), (504, 775110), (540, 723436), (560, 697599), (588, 664380), (630, 620088), (720, 542577), (735, 531504), (756, 516740), (784, 498285), (840, 465066), (882, 442920), (945, 413392), (980, 398628), (1008, 387555), (1080, 361718), (1176, 332190), (1260, 310044), (1323, 295280), (1470, 265752), (1512, 258370), (1680, 232533), (1764, 221460), (1890, 206696), (1960, 199314), (2160, 180859), (2205, 177168), (2352, 166095), (2520, 155022), (2646, 147640), (2940, 132876), (3024, 129185), (3528, 110730), (3691, 105840), (3780, 103348), (3920, 99657), (4410, 88584), (5040, 77511), (5292, 73820), (5880, 66438), (6615, 59056), (7056, 55365), (7382, 52920), (7560, 51674), (8820, 44292), (10584, 36910), (11073, 35280), (11760, 33219), (13230, 29528), (14764, 26460), (15120, 25837), (17640, 22146), (18455, 21168)]