261303288

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1892

約数の個数: 64

約数和(自身を含む): 670291200

約数和(自身を除く): 408987912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 89, 142, 178, 213, 267, 284, 356, 426, 534, 568, 712, 852, 1068, 1704, 1723, 2136, 3446, 5169, 6319, 6892, 10338, 12638, 13784, 18957, 20676, 25276, 37914, 41352, 50552, 75828, 122333, 151656, 153347, 244666, 306694, 366999, 460041, 489332, 613388, 733998, 920082, 978664, 1226776, 1467996, 1840164, 2935992, 3680328, 10887637, 21775274, 32662911, 43550548, 65325822, 87101096, 130651644, 261303288]

約数ペア:

[(1, 261303288), (2, 130651644), (3, 87101096), (4, 65325822), (6, 43550548), (8, 32662911), (12, 21775274), (24, 10887637), (71, 3680328), (89, 2935992), (142, 1840164), (178, 1467996), (213, 1226776), (267, 978664), (284, 920082), (356, 733998), (426, 613388), (534, 489332), (568, 460041), (712, 366999), (852, 306694), (1068, 244666), (1704, 153347), (1723, 151656), (2136, 122333), (3446, 75828), (5169, 50552), (6319, 41352), (6892, 37914), (10338, 25276), (12638, 20676), (13784, 18957)]