180531260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 469590912

約数和(自身を除く): 289059652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 281, 353, 364, 455, 562, 706, 910, 1124, 1405, 1412, 1765, 1820, 1967, 2471, 2810, 3530, 3653, 3934, 4589, 4942, 5620, 7060, 7306, 7868, 9178, 9835, 9884, 12355, 14612, 18265, 18356, 19670, 22945, 24710, 25571, 32123, 36530, 39340, 45890, 49420, 51142, 64246, 73060, 91780, 99193, 102284, 127855, 128492, 160615, 198386, 255710, 321230, 396772, 495965, 511420, 642460, 694351, 991930, 1289509, 1388702, 1983860, 2579018, 2777404, 3471755, 5158036, 6447545, 6943510, 9026563, 12895090, 13887020, 18053126, 25790180, 36106252, 45132815, 90265630, 180531260]

約数ペア:

[(1, 180531260), (2, 90265630), (4, 45132815), (5, 36106252), (7, 25790180), (10, 18053126), (13, 13887020), (14, 12895090), (20, 9026563), (26, 6943510), (28, 6447545), (35, 5158036), (52, 3471755), (65, 2777404), (70, 2579018), (91, 1983860), (130, 1388702), (140, 1289509), (182, 991930), (260, 694351), (281, 642460), (353, 511420), (364, 495965), (455, 396772), (562, 321230), (706, 255710), (910, 198386), (1124, 160615), (1405, 128492), (1412, 127855), (1765, 102284), (1820, 99193), (1967, 91780), (2471, 73060), (2810, 64246), (3530, 51142), (3653, 49420), (3934, 45890), (4589, 39340), (4942, 36530), (5620, 32123), (7060, 25571), (7306, 24710), (7868, 22945), (9178, 19670), (9835, 18356), (9884, 18265), (12355, 14612)]