638244480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 256

約数和(自身を含む): 2159136000

約数和(自身を除く): 1520891520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 97, 115, 120, 128, 138, 149, 160, 184, 192, 194, 230, 240, 276, 291, 298, 320, 345, 368, 384, 388, 447, 460, 480, 485, 552, 582, 596, 640, 690, 736, 745, 776, 894, 920, 960, 970, 1104, 1164, 1192, 1380, 1455, 1472, 1490, 1552, 1788, 1840, 1920, 1940, 2208, 2231, 2235, 2328, 2384, 2760, 2910, 2944, 2980, 3104, 3427, 3576, 3680, 3880, 4416, 4462, 4470, 4656, 4768, 5520, 5820, 5960, 6208, 6693, 6854, 7152, 7360, 7760, 8832, 8924, 8940, 9312, 9536, 10281, 11040, 11155, 11640, 11920, 12416, 13386, 13708, 14304, 14453, 14720, 15520, 17135, 17848, 17880, 18624, 19072, 20562, 22080, 22310, 23280, 23840, 26772, 27416, 28608, 28906, 31040, 33465, 34270, 35696, 35760, 37248, 41124, 43359, 44160, 44620, 46560, 47680, 51405, 53544, 54832, 57216, 57812, 62080, 66930, 68540, 71392, 71520, 72265, 82248, 86718, 89240, 93120, 95360, 102810, 107088, 109664, 115624, 133860, 137080, 142784, 143040, 144530, 164496, 173436, 178480, 186240, 205620, 214176, 216795, 219328, 231248, 267720, 274160, 285568, 286080, 289060, 328992, 332419, 346872, 356960, 411240, 428352, 433590, 438656, 462496, 535440, 548320, 578120, 657984, 664838, 693744, 713920, 822480, 856704, 867180, 924992, 997257, 1070880, 1096640, 1156240, 1315968, 1329676, 1387488, 1427840, 1644960, 1662095, 1734360, 1849984, 1994514, 2141760, 2193280, 2312480, 2659352, 2774976, 3289920, 3324190, 3468720, 3989028, 4283520, 4624960, 4986285, 5318704, 5549952, 6579840, 6648380, 6937440, 7978056, 9249920, 9972570, 10637408, 13296760, 13874880, 15956112, 19945140, 21274816, 26593520, 27749760, 31912224, 39890280, 42549632, 53187040, 63824448, 79780560, 106374080, 127648896, 159561120, 212748160, 319122240, 638244480]

約数ペア:

[(1, 638244480), (2, 319122240), (3, 212748160), (4, 159561120), (5, 127648896), (6, 106374080), (8, 79780560), (10, 63824448), (12, 53187040), (15, 42549632), (16, 39890280), (20, 31912224), (23, 27749760), (24, 26593520), (30, 21274816), (32, 19945140), (40, 15956112), (46, 13874880), (48, 13296760), (60, 10637408), (64, 9972570), (69, 9249920), (80, 7978056), (92, 6937440), (96, 6648380), (97, 6579840), (115, 5549952), (120, 5318704), (128, 4986285), (138, 4624960), (149, 4283520), (160, 3989028), (184, 3468720), (192, 3324190), (194, 3289920), (230, 2774976), (240, 2659352), (276, 2312480), (291, 2193280), (298, 2141760), (320, 1994514), (345, 1849984), (368, 1734360), (384, 1662095), (388, 1644960), (447, 1427840), (460, 1387488), (480, 1329676), (485, 1315968), (552, 1156240), (582, 1096640), (596, 1070880), (640, 997257), (690, 924992), (736, 867180), (745, 856704), (776, 822480), (894, 713920), (920, 693744), (960, 664838), (970, 657984), (1104, 578120), (1164, 548320), (1192, 535440), (1380, 462496), (1455, 438656), (1472, 433590), (1490, 428352), (1552, 411240), (1788, 356960), (1840, 346872), (1920, 332419), (1940, 328992), (2208, 289060), (2231, 286080), (2235, 285568), (2328, 274160), (2384, 267720), (2760, 231248), (2910, 219328), (2944, 216795), (2980, 214176), (3104, 205620), (3427, 186240), (3576, 178480), (3680, 173436), (3880, 164496), (4416, 144530), (4462, 143040), (4470, 142784), (4656, 137080), (4768, 133860), (5520, 115624), (5820, 109664), (5960, 107088), (6208, 102810), (6693, 95360), (6854, 93120), (7152, 89240), (7360, 86718), (7760, 82248), (8832, 72265), (8924, 71520), (8940, 71392), (9312, 68540), (9536, 66930), (10281, 62080), (11040, 57812), (11155, 57216), (11640, 54832), (11920, 53544), (12416, 51405), (13386, 47680), (13708, 46560), (14304, 44620), (14453, 44160), (14720, 43359), (15520, 41124), (17135, 37248), (17848, 35760), (17880, 35696), (18624, 34270), (19072, 33465), (20562, 31040), (22080, 28906), (22310, 28608), (23280, 27416), (23840, 26772)]