1287540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 4088448

約数和(自身を除く): 2800908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 311, 345, 414, 460, 622, 690, 828, 933, 1035, 1244, 1380, 1555, 1866, 2070, 2799, 3110, 3732, 4140, 4665, 5598, 6220, 7153, 9330, 11196, 13995, 14306, 18660, 21459, 27990, 28612, 35765, 42918, 55980, 64377, 71530, 85836, 107295, 128754, 143060, 214590, 257508, 321885, 429180, 643770, 1287540]

約数ペア:

[(1, 1287540), (2, 643770), (3, 429180), (4, 321885), (5, 257508), (6, 214590), (9, 143060), (10, 128754), (12, 107295), (15, 85836), (18, 71530), (20, 64377), (23, 55980), (30, 42918), (36, 35765), (45, 28612), (46, 27990), (60, 21459), (69, 18660), (90, 14306), (92, 13995), (115, 11196), (138, 9330), (180, 7153), (207, 6220), (230, 5598), (276, 4665), (311, 4140), (345, 3732), (414, 3110), (460, 2799), (622, 2070), (690, 1866), (828, 1555), (933, 1380), (1035, 1244)]