639795520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 224

約数和(自身を含む): 1900781568

約数和(自身を除く): 1260986048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 173, 182, 208, 224, 254, 260, 280, 320, 346, 364, 416, 448, 455, 508, 520, 560, 635, 692, 728, 832, 865, 889, 910, 1016, 1040, 1120, 1211, 1270, 1384, 1456, 1651, 1730, 1778, 1820, 2032, 2080, 2240, 2249, 2422, 2540, 2768, 2912, 3302, 3460, 3556, 3640, 4064, 4160, 4445, 4498, 4844, 5080, 5536, 5824, 6055, 6604, 6920, 7112, 7280, 8128, 8255, 8890, 8996, 9688, 10160, 11072, 11245, 11557, 12110, 13208, 13840, 14224, 14560, 15743, 16510, 17780, 17992, 19376, 20320, 21971, 22490, 23114, 24220, 26416, 27680, 28448, 29120, 31486, 33020, 35560, 35984, 38752, 40640, 43942, 44980, 46228, 48440, 52832, 55360, 56896, 57785, 62972, 66040, 71120, 71968, 77504, 78715, 87884, 89960, 92456, 96880, 105664, 109855, 115570, 125944, 132080, 142240, 143936, 153797, 157430, 175768, 179920, 184912, 193760, 219710, 231140, 251888, 264160, 284480, 285623, 307594, 314860, 351536, 359840, 369824, 387520, 439420, 462280, 503776, 528320, 571246, 615188, 629720, 703072, 719680, 739648, 768985, 878840, 924560, 1007552, 1142492, 1230376, 1259440, 1406144, 1428115, 1537970, 1757680, 1849120, 1999361, 2284984, 2460752, 2518880, 2856230, 3075940, 3515360, 3698240, 3998722, 4569968, 4921504, 5037760, 5712460, 6151880, 7030720, 7997444, 9139936, 9843008, 9996805, 11424920, 12303760, 15994888, 18279872, 19993610, 22849840, 24607520, 31989776, 39987220, 45699680, 49215040, 63979552, 79974440, 91399360, 127959104, 159948880, 319897760, 639795520]

約数ペア:

[(1, 639795520), (2, 319897760), (4, 159948880), (5, 127959104), (7, 91399360), (8, 79974440), (10, 63979552), (13, 49215040), (14, 45699680), (16, 39987220), (20, 31989776), (26, 24607520), (28, 22849840), (32, 19993610), (35, 18279872), (40, 15994888), (52, 12303760), (56, 11424920), (64, 9996805), (65, 9843008), (70, 9139936), (80, 7997444), (91, 7030720), (104, 6151880), (112, 5712460), (127, 5037760), (130, 4921504), (140, 4569968), (160, 3998722), (173, 3698240), (182, 3515360), (208, 3075940), (224, 2856230), (254, 2518880), (260, 2460752), (280, 2284984), (320, 1999361), (346, 1849120), (364, 1757680), (416, 1537970), (448, 1428115), (455, 1406144), (508, 1259440), (520, 1230376), (560, 1142492), (635, 1007552), (692, 924560), (728, 878840), (832, 768985), (865, 739648), (889, 719680), (910, 703072), (1016, 629720), (1040, 615188), (1120, 571246), (1211, 528320), (1270, 503776), (1384, 462280), (1456, 439420), (1651, 387520), (1730, 369824), (1778, 359840), (1820, 351536), (2032, 314860), (2080, 307594), (2240, 285623), (2249, 284480), (2422, 264160), (2540, 251888), (2768, 231140), (2912, 219710), (3302, 193760), (3460, 184912), (3556, 179920), (3640, 175768), (4064, 157430), (4160, 153797), (4445, 143936), (4498, 142240), (4844, 132080), (5080, 125944), (5536, 115570), (5824, 109855), (6055, 105664), (6604, 96880), (6920, 92456), (7112, 89960), (7280, 87884), (8128, 78715), (8255, 77504), (8890, 71968), (8996, 71120), (9688, 66040), (10160, 62972), (11072, 57785), (11245, 56896), (11557, 55360), (12110, 52832), (13208, 48440), (13840, 46228), (14224, 44980), (14560, 43942), (15743, 40640), (16510, 38752), (17780, 35984), (17992, 35560), (19376, 33020), (20320, 31486), (21971, 29120), (22490, 28448), (23114, 27680), (24220, 26416)]