264348520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8089}}^1$

素因数の和:8162

約数の個数: 64

約数和(自身を含む): 640728000

約数和(自身を除く): 376379480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8089, 8170, 16178, 16340, 32356, 32680, 40445, 64712, 80890, 153691, 161780, 307382, 323560, 347827, 614764, 695654, 768455, 1229528, 1391308, 1536910, 1739135, 2782616, 3073820, 3478270, 6147640, 6608713, 6956540, 13217426, 13913080, 26434852, 33043565, 52869704, 66087130, 132174260, 264348520]

約数ペア:

[(1, 264348520), (2, 132174260), (4, 66087130), (5, 52869704), (8, 33043565), (10, 26434852), (19, 13913080), (20, 13217426), (38, 6956540), (40, 6608713), (43, 6147640), (76, 3478270), (86, 3073820), (95, 2782616), (152, 1739135), (172, 1536910), (190, 1391308), (215, 1229528), (344, 768455), (380, 695654), (430, 614764), (760, 347827), (817, 323560), (860, 307382), (1634, 161780), (1720, 153691), (3268, 80890), (4085, 64712), (6536, 40445), (8089, 32680), (8170, 32356), (16178, 16340)]