1639999440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 320

約数和(自身を含む): 6026400000

約数和(自身を除く): 4386400560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 89, 90, 95, 108, 114, 120, 135, 144, 152, 171, 178, 180, 190, 216, 228, 240, 267, 270, 285, 304, 342, 356, 360, 380, 432, 445, 449, 456, 513, 534, 540, 570, 684, 712, 720, 760, 801, 855, 890, 898, 912, 1026, 1068, 1080, 1140, 1335, 1347, 1368, 1424, 1520, 1602, 1691, 1710, 1780, 1796, 2052, 2136, 2160, 2245, 2280, 2403, 2565, 2670, 2694, 2736, 3204, 3382, 3420, 3560, 3592, 4005, 4041, 4104, 4272, 4490, 4560, 4806, 5073, 5130, 5340, 5388, 6408, 6735, 6764, 6840, 7120, 7184, 8010, 8082, 8208, 8455, 8531, 8980, 9612, 10146, 10260, 10680, 10776, 12015, 12123, 12816, 13470, 13528, 13680, 15219, 16020, 16164, 16910, 17062, 17960, 19224, 20205, 20292, 20520, 21360, 21552, 24030, 24246, 25365, 25593, 26940, 27056, 30438, 32040, 32328, 33820, 34124, 35920, 38448, 39961, 40410, 40584, 41040, 42655, 45657, 48060, 48492, 50730, 51186, 53880, 60615, 60876, 64080, 64656, 67640, 68248, 76095, 76779, 79922, 80820, 81168, 85310, 91314, 96120, 96984, 101460, 102372, 107760, 119883, 121230, 121752, 127965, 135280, 136496, 152190, 153558, 159844, 161640, 170620, 182628, 192240, 193968, 199805, 202920, 204744, 228285, 230337, 239766, 242460, 243504, 255930, 304380, 307116, 319688, 323280, 341240, 359649, 365256, 383895, 399610, 405840, 409488, 456570, 460674, 479532, 484920, 511860, 599415, 608760, 614232, 639376, 682480, 719298, 730512, 759259, 767790, 799220, 913140, 921348, 959064, 969840, 1023720, 1078947, 1151685, 1198830, 1217520, 1228464, 1438596, 1518518, 1535580, 1598440, 1798245, 1826280, 1842696, 1918128, 2047440, 2157894, 2277777, 2303370, 2397660, 2877192, 3037036, 3071160, 3196880, 3596490, 3652560, 3685392, 3796295, 4315788, 4555554, 4606740, 4795320, 5394735, 5754384, 6074072, 6142320, 6833331, 7192980, 7592590, 8631576, 9111108, 9213480, 9590640, 10789470, 11388885, 12148144, 13666662, 14385960, 15185180, 17263152, 18222216, 18426960, 20499993, 21578940, 22777770, 27333324, 28771920, 30370360, 34166655, 36444432, 40999986, 43157880, 45555540, 54666648, 60740720, 68333310, 81999972, 86315760, 91111080, 102499965, 109333296, 136666620, 163999944, 182222160, 204999930, 273333240, 327999888, 409999860, 546666480, 819999720, 1639999440]

約数ペア:

[(1, 1639999440), (2, 819999720), (3, 546666480), (4, 409999860), (5, 327999888), (6, 273333240), (8, 204999930), (9, 182222160), (10, 163999944), (12, 136666620), (15, 109333296), (16, 102499965), (18, 91111080), (19, 86315760), (20, 81999972), (24, 68333310), (27, 60740720), (30, 54666648), (36, 45555540), (38, 43157880), (40, 40999986), (45, 36444432), (48, 34166655), (54, 30370360), (57, 28771920), (60, 27333324), (72, 22777770), (76, 21578940), (80, 20499993), (89, 18426960), (90, 18222216), (95, 17263152), (108, 15185180), (114, 14385960), (120, 13666662), (135, 12148144), (144, 11388885), (152, 10789470), (171, 9590640), (178, 9213480), (180, 9111108), (190, 8631576), (216, 7592590), (228, 7192980), (240, 6833331), (267, 6142320), (270, 6074072), (285, 5754384), (304, 5394735), (342, 4795320), (356, 4606740), (360, 4555554), (380, 4315788), (432, 3796295), (445, 3685392), (449, 3652560), (456, 3596490), (513, 3196880), (534, 3071160), (540, 3037036), (570, 2877192), (684, 2397660), (712, 2303370), (720, 2277777), (760, 2157894), (801, 2047440), (855, 1918128), (890, 1842696), (898, 1826280), (912, 1798245), (1026, 1598440), (1068, 1535580), (1080, 1518518), (1140, 1438596), (1335, 1228464), (1347, 1217520), (1368, 1198830), (1424, 1151685), (1520, 1078947), (1602, 1023720), (1691, 969840), (1710, 959064), (1780, 921348), (1796, 913140), (2052, 799220), (2136, 767790), (2160, 759259), (2245, 730512), (2280, 719298), (2403, 682480), (2565, 639376), (2670, 614232), (2694, 608760), (2736, 599415), (3204, 511860), (3382, 484920), (3420, 479532), (3560, 460674), (3592, 456570), (4005, 409488), (4041, 405840), (4104, 399610), (4272, 383895), (4490, 365256), (4560, 359649), (4806, 341240), (5073, 323280), (5130, 319688), (5340, 307116), (5388, 304380), (6408, 255930), (6735, 243504), (6764, 242460), (6840, 239766), (7120, 230337), (7184, 228285), (8010, 204744), (8082, 202920), (8208, 199805), (8455, 193968), (8531, 192240), (8980, 182628), (9612, 170620), (10146, 161640), (10260, 159844), (10680, 153558), (10776, 152190), (12015, 136496), (12123, 135280), (12816, 127965), (13470, 121752), (13528, 121230), (13680, 119883), (15219, 107760), (16020, 102372), (16164, 101460), (16910, 96984), (17062, 96120), (17960, 91314), (19224, 85310), (20205, 81168), (20292, 80820), (20520, 79922), (21360, 76779), (21552, 76095), (24030, 68248), (24246, 67640), (25365, 64656), (25593, 64080), (26940, 60876), (27056, 60615), (30438, 53880), (32040, 51186), (32328, 50730), (33820, 48492), (34124, 48060), (35920, 45657), (38448, 42655), (39961, 41040), (40410, 40584)]