642505920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4207

約数の個数: 224

約数和(自身を含む): 2433328128

約数和(自身を除く): 1790822208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 420, 448, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1840, 1932, 2208, 2240, 2415, 2576, 2760, 3220, 3360, 3680, 3864, 4157, 4416, 4830, 5152, 5520, 6440, 6720, 7360, 7728, 8314, 9660, 10304, 11040, 12471, 12880, 15456, 16628, 19320, 20785, 22080, 24942, 25760, 29099, 30912, 33256, 38640, 41570, 49884, 51520, 58198, 62355, 66512, 77280, 83140, 87297, 95611, 99768, 116396, 124710, 133024, 145495, 154560, 166280, 174594, 191222, 199536, 232792, 249420, 266048, 286833, 290990, 332560, 349188, 382444, 399072, 436485, 465584, 478055, 498840, 573666, 581980, 665120, 669277, 698376, 764888, 798144, 872970, 931168, 956110, 997680, 1147332, 1163960, 1330240, 1338554, 1396752, 1434165, 1529776, 1745940, 1862336, 1912220, 1995360, 2007831, 2294664, 2327920, 2677108, 2793504, 2868330, 3059552, 3346385, 3491880, 3824440, 3990720, 4015662, 4589328, 4655840, 5354216, 5587008, 5736660, 6119104, 6692770, 6983760, 7648880, 8031324, 9178656, 9311680, 10039155, 10708432, 11473320, 13385540, 13967520, 15297760, 16062648, 18357312, 20078310, 21416864, 22946640, 26771080, 27935040, 30595520, 32125296, 40156620, 42833728, 45893280, 53542160, 64250592, 80313240, 91786560, 107084320, 128501184, 160626480, 214168640, 321252960, 642505920]

約数ペア:

[(1, 642505920), (2, 321252960), (3, 214168640), (4, 160626480), (5, 128501184), (6, 107084320), (7, 91786560), (8, 80313240), (10, 64250592), (12, 53542160), (14, 45893280), (15, 42833728), (16, 40156620), (20, 32125296), (21, 30595520), (23, 27935040), (24, 26771080), (28, 22946640), (30, 21416864), (32, 20078310), (35, 18357312), (40, 16062648), (42, 15297760), (46, 13967520), (48, 13385540), (56, 11473320), (60, 10708432), (64, 10039155), (69, 9311680), (70, 9178656), (80, 8031324), (84, 7648880), (92, 6983760), (96, 6692770), (105, 6119104), (112, 5736660), (115, 5587008), (120, 5354216), (138, 4655840), (140, 4589328), (160, 4015662), (161, 3990720), (168, 3824440), (184, 3491880), (192, 3346385), (210, 3059552), (224, 2868330), (230, 2793504), (240, 2677108), (276, 2327920), (280, 2294664), (320, 2007831), (322, 1995360), (336, 1912220), (345, 1862336), (368, 1745940), (420, 1529776), (448, 1434165), (460, 1396752), (480, 1338554), (483, 1330240), (552, 1163960), (560, 1147332), (644, 997680), (672, 956110), (690, 931168), (736, 872970), (805, 798144), (840, 764888), (920, 698376), (960, 669277), (966, 665120), (1104, 581980), (1120, 573666), (1288, 498840), (1344, 478055), (1380, 465584), (1472, 436485), (1610, 399072), (1680, 382444), (1840, 349188), (1932, 332560), (2208, 290990), (2240, 286833), (2415, 266048), (2576, 249420), (2760, 232792), (3220, 199536), (3360, 191222), (3680, 174594), (3864, 166280), (4157, 154560), (4416, 145495), (4830, 133024), (5152, 124710), (5520, 116396), (6440, 99768), (6720, 95611), (7360, 87297), (7728, 83140), (8314, 77280), (9660, 66512), (10304, 62355), (11040, 58198), (12471, 51520), (12880, 49884), (15456, 41570), (16628, 38640), (19320, 33256), (20785, 30912), (22080, 29099), (24942, 25760)]