634165760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 160

約数和(自身を含む): 1607468544

約数和(自身を除く): 973302784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 131, 155, 160, 244, 248, 256, 262, 305, 310, 320, 488, 496, 512, 524, 610, 620, 640, 655, 976, 992, 1048, 1220, 1240, 1280, 1310, 1891, 1952, 1984, 2096, 2440, 2480, 2560, 2620, 3782, 3904, 3968, 4061, 4192, 4880, 4960, 5240, 7564, 7808, 7936, 7991, 8122, 8384, 9455, 9760, 9920, 10480, 15128, 15616, 15872, 15982, 16244, 16768, 18910, 19520, 19840, 20305, 20960, 30256, 31232, 31964, 32488, 33536, 37820, 39040, 39680, 39955, 40610, 41920, 60512, 63928, 64976, 67072, 75640, 78080, 79360, 79910, 81220, 83840, 121024, 127856, 129952, 151280, 156160, 159820, 162440, 167680, 242048, 247721, 255712, 259904, 302560, 319640, 324880, 335360, 484096, 495442, 511424, 519808, 605120, 639280, 649760, 968192, 990884, 1022848, 1039616, 1210240, 1238605, 1278560, 1299520, 1981768, 2045696, 2079232, 2420480, 2477210, 2557120, 2599040, 3963536, 4091392, 4840960, 4954420, 5114240, 5198080, 7927072, 9908840, 10228480, 10396160, 15854144, 19817680, 20456960, 31708288, 39635360, 63416576, 79270720, 126833152, 158541440, 317082880, 634165760]

約数ペア:

[(1, 634165760), (2, 317082880), (4, 158541440), (5, 126833152), (8, 79270720), (10, 63416576), (16, 39635360), (20, 31708288), (31, 20456960), (32, 19817680), (40, 15854144), (61, 10396160), (62, 10228480), (64, 9908840), (80, 7927072), (122, 5198080), (124, 5114240), (128, 4954420), (131, 4840960), (155, 4091392), (160, 3963536), (244, 2599040), (248, 2557120), (256, 2477210), (262, 2420480), (305, 2079232), (310, 2045696), (320, 1981768), (488, 1299520), (496, 1278560), (512, 1238605), (524, 1210240), (610, 1039616), (620, 1022848), (640, 990884), (655, 968192), (976, 649760), (992, 639280), (1048, 605120), (1220, 519808), (1240, 511424), (1280, 495442), (1310, 484096), (1891, 335360), (1952, 324880), (1984, 319640), (2096, 302560), (2440, 259904), (2480, 255712), (2560, 247721), (2620, 242048), (3782, 167680), (3904, 162440), (3968, 159820), (4061, 156160), (4192, 151280), (4880, 129952), (4960, 127856), (5240, 121024), (7564, 83840), (7808, 81220), (7936, 79910), (7991, 79360), (8122, 78080), (8384, 75640), (9455, 67072), (9760, 64976), (9920, 63928), (10480, 60512), (15128, 41920), (15616, 40610), (15872, 39955), (15982, 39680), (16244, 39040), (16768, 37820), (18910, 33536), (19520, 32488), (19840, 31964), (20305, 31232), (20960, 30256)]