128988720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 320

約数和(自身を含む): 535680000

約数和(自身を除く): 406691280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 449, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 898, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1347, 1368, 1512, 1520, 1596, 1680, 1710, 1796, 1890, 1995, 2052, 2128, 2160, 2245, 2280, 2394, 2520, 2565, 2660, 2694, 2736, 3024, 3143, 3192, 3420, 3591, 3592, 3780, 3990, 4041, 4104, 4490, 4560, 4788, 5040, 5130, 5320, 5388, 5985, 6286, 6384, 6735, 6840, 7182, 7184, 7560, 7980, 8082, 8208, 8531, 8980, 9429, 9576, 10260, 10640, 10776, 11970, 12123, 12572, 13470, 13680, 14364, 15120, 15715, 15960, 16164, 17062, 17955, 17960, 18858, 19152, 20205, 20520, 21552, 23940, 24246, 25144, 25593, 26940, 28287, 28728, 31430, 31920, 32328, 34124, 35910, 35920, 37716, 40410, 41040, 42655, 47145, 47880, 48492, 50288, 51186, 53880, 56574, 57456, 59717, 60615, 62860, 64656, 68248, 71820, 75432, 76779, 80820, 84861, 85310, 94290, 95760, 96984, 102372, 107760, 113148, 119434, 121230, 125720, 127965, 136496, 141435, 143640, 150864, 153558, 161640, 169722, 170620, 179151, 188580, 193968, 204744, 226296, 230337, 238868, 242460, 251440, 255930, 282870, 287280, 298585, 307116, 323280, 339444, 341240, 358302, 377160, 383895, 409488, 424305, 452592, 460674, 477736, 484920, 511860, 537453, 565740, 597170, 614232, 678888, 682480, 716604, 754320, 767790, 848610, 895755, 921348, 955472, 969840, 1023720, 1074906, 1131480, 1151685, 1194340, 1228464, 1357776, 1433208, 1535580, 1612359, 1697220, 1791510, 1842696, 2047440, 2149812, 2262960, 2303370, 2388680, 2687265, 2866416, 3071160, 3224718, 3394440, 3583020, 3685392, 4299624, 4606740, 4777360, 5374530, 6142320, 6449436, 6788880, 7166040, 8061795, 8599248, 9213480, 10749060, 12898872, 14332080, 16123590, 18426960, 21498120, 25797744, 32247180, 42996240, 64494360, 128988720]

約数ペア:

[(1, 128988720), (2, 64494360), (3, 42996240), (4, 32247180), (5, 25797744), (6, 21498120), (7, 18426960), (8, 16123590), (9, 14332080), (10, 12898872), (12, 10749060), (14, 9213480), (15, 8599248), (16, 8061795), (18, 7166040), (19, 6788880), (20, 6449436), (21, 6142320), (24, 5374530), (27, 4777360), (28, 4606740), (30, 4299624), (35, 3685392), (36, 3583020), (38, 3394440), (40, 3224718), (42, 3071160), (45, 2866416), (48, 2687265), (54, 2388680), (56, 2303370), (57, 2262960), (60, 2149812), (63, 2047440), (70, 1842696), (72, 1791510), (76, 1697220), (80, 1612359), (84, 1535580), (90, 1433208), (95, 1357776), (105, 1228464), (108, 1194340), (112, 1151685), (114, 1131480), (120, 1074906), (126, 1023720), (133, 969840), (135, 955472), (140, 921348), (144, 895755), (152, 848610), (168, 767790), (171, 754320), (180, 716604), (189, 682480), (190, 678888), (210, 614232), (216, 597170), (228, 565740), (240, 537453), (252, 511860), (266, 484920), (270, 477736), (280, 460674), (285, 452592), (304, 424305), (315, 409488), (336, 383895), (342, 377160), (360, 358302), (378, 341240), (380, 339444), (399, 323280), (420, 307116), (432, 298585), (449, 287280), (456, 282870), (504, 255930), (513, 251440), (532, 242460), (540, 238868), (560, 230337), (570, 226296), (630, 204744), (665, 193968), (684, 188580), (720, 179151), (756, 170620), (760, 169722), (798, 161640), (840, 153558), (855, 150864), (898, 143640), (912, 141435), (945, 136496), (1008, 127965), (1026, 125720), (1064, 121230), (1080, 119434), (1140, 113148), (1197, 107760), (1260, 102372), (1330, 96984), (1347, 95760), (1368, 94290), (1512, 85310), (1520, 84861), (1596, 80820), (1680, 76779), (1710, 75432), (1796, 71820), (1890, 68248), (1995, 64656), (2052, 62860), (2128, 60615), (2160, 59717), (2245, 57456), (2280, 56574), (2394, 53880), (2520, 51186), (2565, 50288), (2660, 48492), (2694, 47880), (2736, 47145), (3024, 42655), (3143, 41040), (3192, 40410), (3420, 37716), (3591, 35920), (3592, 35910), (3780, 34124), (3990, 32328), (4041, 31920), (4104, 31430), (4490, 28728), (4560, 28287), (4788, 26940), (5040, 25593), (5130, 25144), (5320, 24246), (5388, 23940), (5985, 21552), (6286, 20520), (6384, 20205), (6735, 19152), (6840, 18858), (7182, 17960), (7184, 17955), (7560, 17062), (7980, 16164), (8082, 15960), (8208, 15715), (8531, 15120), (8980, 14364), (9429, 13680), (9576, 13470), (10260, 12572), (10640, 12123), (10776, 11970)]