678200320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 176

約数和(自身を含む): 1886515200

約数和(自身を除く): 1208314880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 149, 160, 224, 254, 256, 280, 298, 320, 448, 508, 512, 560, 596, 635, 640, 745, 889, 896, 1016, 1024, 1043, 1120, 1192, 1270, 1280, 1490, 1778, 1792, 2032, 2086, 2240, 2384, 2540, 2560, 2980, 3556, 3584, 4064, 4172, 4445, 4480, 4768, 5080, 5120, 5215, 5960, 7112, 7168, 8128, 8344, 8890, 8960, 9536, 10160, 10430, 11920, 14224, 16256, 16688, 17780, 17920, 18923, 19072, 20320, 20860, 23840, 28448, 32512, 33376, 35560, 35840, 37846, 38144, 40640, 41720, 47680, 56896, 65024, 66752, 71120, 75692, 76288, 81280, 83440, 94615, 95360, 113792, 130048, 132461, 133504, 142240, 151384, 152576, 162560, 166880, 189230, 190720, 227584, 264922, 267008, 284480, 302768, 325120, 333760, 378460, 381440, 455168, 529844, 534016, 568960, 605536, 650240, 662305, 667520, 756920, 762880, 910336, 1059688, 1068032, 1137920, 1211072, 1324610, 1335040, 1513840, 2119376, 2275840, 2422144, 2649220, 2670080, 3027680, 4238752, 4551680, 4844288, 5298440, 5340160, 6055360, 8477504, 9688576, 10596880, 12110720, 16955008, 19377152, 21193760, 24221440, 33910016, 42387520, 48442880, 67820032, 84775040, 96885760, 135640064, 169550080, 339100160, 678200320]

約数ペア:

[(1, 678200320), (2, 339100160), (4, 169550080), (5, 135640064), (7, 96885760), (8, 84775040), (10, 67820032), (14, 48442880), (16, 42387520), (20, 33910016), (28, 24221440), (32, 21193760), (35, 19377152), (40, 16955008), (56, 12110720), (64, 10596880), (70, 9688576), (80, 8477504), (112, 6055360), (127, 5340160), (128, 5298440), (140, 4844288), (149, 4551680), (160, 4238752), (224, 3027680), (254, 2670080), (256, 2649220), (280, 2422144), (298, 2275840), (320, 2119376), (448, 1513840), (508, 1335040), (512, 1324610), (560, 1211072), (596, 1137920), (635, 1068032), (640, 1059688), (745, 910336), (889, 762880), (896, 756920), (1016, 667520), (1024, 662305), (1043, 650240), (1120, 605536), (1192, 568960), (1270, 534016), (1280, 529844), (1490, 455168), (1778, 381440), (1792, 378460), (2032, 333760), (2086, 325120), (2240, 302768), (2384, 284480), (2540, 267008), (2560, 264922), (2980, 227584), (3556, 190720), (3584, 189230), (4064, 166880), (4172, 162560), (4445, 152576), (4480, 151384), (4768, 142240), (5080, 133504), (5120, 132461), (5215, 130048), (5960, 113792), (7112, 95360), (7168, 94615), (8128, 83440), (8344, 81280), (8890, 76288), (8960, 75692), (9536, 71120), (10160, 66752), (10430, 65024), (11920, 56896), (14224, 47680), (16256, 41720), (16688, 40640), (17780, 38144), (17920, 37846), (18923, 35840), (19072, 35560), (20320, 33376), (20860, 32512), (23840, 28448)]