256310640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4289}}^1$

素因数の和:4391

約数の個数: 120

約数和(自身を含む): 871350480

約数和(自身を除く): 615039840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 498, 664, 720, 747, 830, 996, 1245, 1328, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 3984, 4289, 4980, 5976, 6640, 7470, 8578, 9960, 11952, 12867, 14940, 17156, 19920, 21445, 25734, 29880, 34312, 38601, 42890, 51468, 59760, 64335, 68624, 77202, 85780, 102936, 128670, 154404, 171560, 193005, 205872, 257340, 308808, 343120, 355987, 386010, 514680, 617616, 711974, 772020, 1029360, 1067961, 1423948, 1544040, 1779935, 2135922, 2847896, 3088080, 3203883, 3559870, 4271844, 5339805, 5695792, 6407766, 7119740, 8543688, 10679610, 12815532, 14239480, 16019415, 17087376, 21359220, 25631064, 28478960, 32038830, 42718440, 51262128, 64077660, 85436880, 128155320, 256310640]

約数ペア:

[(1, 256310640), (2, 128155320), (3, 85436880), (4, 64077660), (5, 51262128), (6, 42718440), (8, 32038830), (9, 28478960), (10, 25631064), (12, 21359220), (15, 17087376), (16, 16019415), (18, 14239480), (20, 12815532), (24, 10679610), (30, 8543688), (36, 7119740), (40, 6407766), (45, 5695792), (48, 5339805), (60, 4271844), (72, 3559870), (80, 3203883), (83, 3088080), (90, 2847896), (120, 2135922), (144, 1779935), (166, 1544040), (180, 1423948), (240, 1067961), (249, 1029360), (332, 772020), (360, 711974), (415, 617616), (498, 514680), (664, 386010), (720, 355987), (747, 343120), (830, 308808), (996, 257340), (1245, 205872), (1328, 193005), (1494, 171560), (1660, 154404), (1992, 128670), (2490, 102936), (2988, 85780), (3320, 77202), (3735, 68624), (3984, 64335), (4289, 59760), (4980, 51468), (5976, 42890), (6640, 38601), (7470, 34312), (8578, 29880), (9960, 25734), (11952, 21445), (12867, 19920), (14940, 17156)]