1663919360

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56519}}^1$

素因数の和:56563

約数の個数: 72

約数和(自身を含む): 4158967680

約数和(自身を除く): 2495048320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 29440, 56519, 113038, 226076, 282595, 452152, 565190, 904304, 1130380, 1299937, 1808608, 2260760, 2599874, 3617216, 4521520, 5199748, 6499685, 7234432, 9043040, 10399496, 12999370, 14468864, 18086080, 20798992, 25998740, 36172160, 41597984, 51997480, 72344320, 83195968, 103994960, 166391936, 207989920, 332783872, 415979840, 831959680, 1663919360]

約数ペア:

[(1, 1663919360), (2, 831959680), (4, 415979840), (5, 332783872), (8, 207989920), (10, 166391936), (16, 103994960), (20, 83195968), (23, 72344320), (32, 51997480), (40, 41597984), (46, 36172160), (64, 25998740), (80, 20798992), (92, 18086080), (115, 14468864), (128, 12999370), (160, 10399496), (184, 9043040), (230, 7234432), (256, 6499685), (320, 5199748), (368, 4521520), (460, 3617216), (640, 2599874), (736, 2260760), (920, 1808608), (1280, 1299937), (1472, 1130380), (1840, 904304), (2944, 565190), (3680, 452152), (5888, 282595), (7360, 226076), (14720, 113038), (29440, 56519)]