2681405440

素因数分解:

$2^{16}\times 5^1\times 7^2\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 204

約数和(自身を含む): 7530815376

約数和(自身を除く): 4849409936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 167, 196, 224, 245, 256, 280, 320, 334, 392, 448, 490, 512, 560, 640, 668, 784, 835, 896, 980, 1024, 1120, 1169, 1280, 1336, 1568, 1670, 1792, 1960, 2048, 2240, 2338, 2560, 2672, 3136, 3340, 3584, 3920, 4096, 4480, 4676, 5120, 5344, 5845, 6272, 6680, 7168, 7840, 8183, 8192, 8960, 9352, 10240, 10688, 11690, 12544, 13360, 14336, 15680, 16366, 16384, 17920, 18704, 20480, 21376, 23380, 25088, 26720, 28672, 31360, 32732, 32768, 35840, 37408, 40915, 40960, 42752, 46760, 50176, 53440, 57344, 62720, 65464, 65536, 71680, 74816, 81830, 81920, 85504, 93520, 100352, 106880, 114688, 125440, 130928, 143360, 149632, 163660, 163840, 171008, 187040, 200704, 213760, 229376, 250880, 261856, 286720, 299264, 327320, 327680, 342016, 374080, 401408, 427520, 458752, 501760, 523712, 573440, 598528, 654640, 684032, 748160, 802816, 855040, 1003520, 1047424, 1146880, 1197056, 1309280, 1368064, 1496320, 1605632, 1710080, 2007040, 2094848, 2293760, 2394112, 2618560, 2736128, 2992640, 3211264, 3420160, 4014080, 4189696, 4788224, 5237120, 5472256, 5985280, 6840320, 8028160, 8379392, 9576448, 10474240, 10944512, 11970560, 13680640, 16056320, 16758784, 19152896, 20948480, 23941120, 27361280, 33517568, 38305792, 41896960, 47882240, 54722560, 67035136, 76611584, 83793920, 95764480, 134070272, 167587840, 191528960, 268140544, 335175680, 383057920, 536281088, 670351360, 1340702720, 2681405440]

約数ペア:

[(1, 2681405440), (2, 1340702720), (4, 670351360), (5, 536281088), (7, 383057920), (8, 335175680), (10, 268140544), (14, 191528960), (16, 167587840), (20, 134070272), (28, 95764480), (32, 83793920), (35, 76611584), (40, 67035136), (49, 54722560), (56, 47882240), (64, 41896960), (70, 38305792), (80, 33517568), (98, 27361280), (112, 23941120), (128, 20948480), (140, 19152896), (160, 16758784), (167, 16056320), (196, 13680640), (224, 11970560), (245, 10944512), (256, 10474240), (280, 9576448), (320, 8379392), (334, 8028160), (392, 6840320), (448, 5985280), (490, 5472256), (512, 5237120), (560, 4788224), (640, 4189696), (668, 4014080), (784, 3420160), (835, 3211264), (896, 2992640), (980, 2736128), (1024, 2618560), (1120, 2394112), (1169, 2293760), (1280, 2094848), (1336, 2007040), (1568, 1710080), (1670, 1605632), (1792, 1496320), (1960, 1368064), (2048, 1309280), (2240, 1197056), (2338, 1146880), (2560, 1047424), (2672, 1003520), (3136, 855040), (3340, 802816), (3584, 748160), (3920, 684032), (4096, 654640), (4480, 598528), (4676, 573440), (5120, 523712), (5344, 501760), (5845, 458752), (6272, 427520), (6680, 401408), (7168, 374080), (7840, 342016), (8183, 327680), (8192, 327320), (8960, 299264), (9352, 286720), (10240, 261856), (10688, 250880), (11690, 229376), (12544, 213760), (13360, 200704), (14336, 187040), (15680, 171008), (16366, 163840), (16384, 163660), (17920, 149632), (18704, 143360), (20480, 130928), (21376, 125440), (23380, 114688), (25088, 106880), (26720, 100352), (28672, 93520), (31360, 85504), (32732, 81920), (32768, 81830), (35840, 74816), (37408, 71680), (40915, 65536), (40960, 65464), (42752, 62720), (46760, 57344), (50176, 53440)]