641434560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:635

約数の個数: 224

約数和(自身を含む): 2218944000

約数和(自身を除く): 1577509440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 103, 104, 120, 130, 156, 160, 192, 195, 206, 208, 240, 260, 309, 312, 320, 390, 412, 416, 480, 499, 515, 520, 618, 624, 780, 824, 832, 960, 998, 1030, 1040, 1236, 1248, 1339, 1497, 1545, 1560, 1648, 1996, 2060, 2080, 2472, 2495, 2496, 2678, 2994, 3090, 3120, 3296, 3992, 4017, 4120, 4160, 4944, 4990, 5356, 5988, 6180, 6240, 6487, 6592, 6695, 7485, 7984, 8034, 8240, 9888, 9980, 10712, 11976, 12360, 12480, 12974, 13390, 14970, 15968, 16068, 16480, 19461, 19776, 19960, 20085, 21424, 23952, 24720, 25948, 26780, 29940, 31936, 32136, 32435, 32960, 38922, 39920, 40170, 42848, 47904, 49440, 51397, 51896, 53560, 59880, 64272, 64870, 77844, 79840, 80340, 85696, 95808, 97305, 98880, 102794, 103792, 107120, 119760, 128544, 129740, 154191, 155688, 159680, 160680, 194610, 205588, 207584, 214240, 239520, 256985, 257088, 259480, 308382, 311376, 321360, 389220, 411176, 415168, 428480, 479040, 513970, 518960, 616764, 622752, 642720, 668161, 770955, 778440, 822352, 1027940, 1037920, 1233528, 1245504, 1285440, 1336322, 1541910, 1556880, 1644704, 2004483, 2055880, 2075840, 2467056, 2672644, 3083820, 3113760, 3289408, 3340805, 4008966, 4111760, 4934112, 5345288, 6167640, 6227520, 6681610, 8017932, 8223520, 9868224, 10022415, 10690576, 12335280, 13363220, 16035864, 16447040, 20044830, 21381152, 24670560, 26726440, 32071728, 40089660, 42762304, 49341120, 53452880, 64143456, 80179320, 106905760, 128286912, 160358640, 213811520, 320717280, 641434560]

約数ペア:

[(1, 641434560), (2, 320717280), (3, 213811520), (4, 160358640), (5, 128286912), (6, 106905760), (8, 80179320), (10, 64143456), (12, 53452880), (13, 49341120), (15, 42762304), (16, 40089660), (20, 32071728), (24, 26726440), (26, 24670560), (30, 21381152), (32, 20044830), (39, 16447040), (40, 16035864), (48, 13363220), (52, 12335280), (60, 10690576), (64, 10022415), (65, 9868224), (78, 8223520), (80, 8017932), (96, 6681610), (103, 6227520), (104, 6167640), (120, 5345288), (130, 4934112), (156, 4111760), (160, 4008966), (192, 3340805), (195, 3289408), (206, 3113760), (208, 3083820), (240, 2672644), (260, 2467056), (309, 2075840), (312, 2055880), (320, 2004483), (390, 1644704), (412, 1556880), (416, 1541910), (480, 1336322), (499, 1285440), (515, 1245504), (520, 1233528), (618, 1037920), (624, 1027940), (780, 822352), (824, 778440), (832, 770955), (960, 668161), (998, 642720), (1030, 622752), (1040, 616764), (1236, 518960), (1248, 513970), (1339, 479040), (1497, 428480), (1545, 415168), (1560, 411176), (1648, 389220), (1996, 321360), (2060, 311376), (2080, 308382), (2472, 259480), (2495, 257088), (2496, 256985), (2678, 239520), (2994, 214240), (3090, 207584), (3120, 205588), (3296, 194610), (3992, 160680), (4017, 159680), (4120, 155688), (4160, 154191), (4944, 129740), (4990, 128544), (5356, 119760), (5988, 107120), (6180, 103792), (6240, 102794), (6487, 98880), (6592, 97305), (6695, 95808), (7485, 85696), (7984, 80340), (8034, 79840), (8240, 77844), (9888, 64870), (9980, 64272), (10712, 59880), (11976, 53560), (12360, 51896), (12480, 51397), (12974, 49440), (13390, 47904), (14970, 42848), (15968, 40170), (16068, 39920), (16480, 38922), (19461, 32960), (19776, 32435), (19960, 32136), (20085, 31936), (21424, 29940), (23952, 26780), (24720, 25948)]