1218109440

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 224

約数和(自身を含む): 4076614656

約数和(自身を除く): 2858505216

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, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 431, 460, 480, 512, 552, 640, 690, 736, 768, 862, 920, 960, 1024, 1104, 1280, 1293, 1380, 1472, 1536, 1724, 1840, 1920, 2048, 2155, 2208, 2560, 2586, 2760, 2944, 3072, 3448, 3680, 3840, 4096, 4310, 4416, 5120, 5172, 5520, 5888, 6144, 6465, 6896, 7360, 7680, 8192, 8620, 8832, 9913, 10240, 10344, 11040, 11776, 12288, 12930, 13792, 14720, 15360, 17240, 17664, 19826, 20480, 20688, 22080, 23552, 24576, 25860, 27584, 29440, 29739, 30720, 34480, 35328, 39652, 40960, 41376, 44160, 47104, 49565, 51720, 55168, 58880, 59478, 61440, 68960, 70656, 79304, 82752, 88320, 94208, 99130, 103440, 110336, 117760, 118956, 122880, 137920, 141312, 148695, 158608, 165504, 176640, 188416, 198260, 206880, 220672, 235520, 237912, 275840, 282624, 297390, 317216, 331008, 353280, 396520, 413760, 441344, 471040, 475824, 551680, 565248, 594780, 634432, 662016, 706560, 793040, 827520, 882688, 942080, 951648, 1103360, 1189560, 1268864, 1324032, 1413120, 1586080, 1655040, 1765376, 1903296, 2206720, 2379120, 2537728, 2648064, 2826240, 3172160, 3310080, 3530752, 3806592, 4413440, 4758240, 5075456, 5296128, 6344320, 6620160, 7613184, 8826880, 9516480, 10150912, 10592256, 12688640, 13240320, 15226368, 17653760, 19032960, 20301824, 25377280, 26480640, 30452736, 38065920, 40603648, 50754560, 52961280, 60905472, 76131840, 81207296, 101509120, 121810944, 152263680, 203018240, 243621888, 304527360, 406036480, 609054720, 1218109440]

約数ペア:

[(1, 1218109440), (2, 609054720), (3, 406036480), (4, 304527360), (5, 243621888), (6, 203018240), (8, 152263680), (10, 121810944), (12, 101509120), (15, 81207296), (16, 76131840), (20, 60905472), (23, 52961280), (24, 50754560), (30, 40603648), (32, 38065920), (40, 30452736), (46, 26480640), (48, 25377280), (60, 20301824), (64, 19032960), (69, 17653760), (80, 15226368), (92, 13240320), (96, 12688640), (115, 10592256), (120, 10150912), (128, 9516480), (138, 8826880), (160, 7613184), (184, 6620160), (192, 6344320), (230, 5296128), (240, 5075456), (256, 4758240), (276, 4413440), (320, 3806592), (345, 3530752), (368, 3310080), (384, 3172160), (431, 2826240), (460, 2648064), (480, 2537728), (512, 2379120), (552, 2206720), (640, 1903296), (690, 1765376), (736, 1655040), (768, 1586080), (862, 1413120), (920, 1324032), (960, 1268864), (1024, 1189560), (1104, 1103360), (1280, 951648), (1293, 942080), (1380, 882688), (1472, 827520), (1536, 793040), (1724, 706560), (1840, 662016), (1920, 634432), (2048, 594780), (2155, 565248), (2208, 551680), (2560, 475824), (2586, 471040), (2760, 441344), (2944, 413760), (3072, 396520), (3448, 353280), (3680, 331008), (3840, 317216), (4096, 297390), (4310, 282624), (4416, 275840), (5120, 237912), (5172, 235520), (5520, 220672), (5888, 206880), (6144, 198260), (6465, 188416), (6896, 176640), (7360, 165504), (7680, 158608), (8192, 148695), (8620, 141312), (8832, 137920), (9913, 122880), (10240, 118956), (10344, 117760), (11040, 110336), (11776, 103440), (12288, 99130), (12930, 94208), (13792, 88320), (14720, 82752), (15360, 79304), (17240, 70656), (17664, 68960), (19826, 61440), (20480, 59478), (20688, 58880), (22080, 55168), (23552, 51720), (24576, 49565), (25860, 47104), (27584, 44160), (29440, 41376), (29739, 40960), (30720, 39652), (34480, 35328)]