3139840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 8241408

約数和(自身を除く): 5101568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 223, 256, 320, 352, 440, 446, 640, 704, 880, 892, 1115, 1280, 1408, 1760, 1784, 2230, 2453, 2816, 3520, 3568, 4460, 4906, 7040, 7136, 8920, 9812, 12265, 14080, 14272, 17840, 19624, 24530, 28544, 35680, 39248, 49060, 57088, 71360, 78496, 98120, 142720, 156992, 196240, 285440, 313984, 392480, 627968, 784960, 1569920, 3139840]

約数ペア:

[(1, 3139840), (2, 1569920), (4, 784960), (5, 627968), (8, 392480), (10, 313984), (11, 285440), (16, 196240), (20, 156992), (22, 142720), (32, 98120), (40, 78496), (44, 71360), (55, 57088), (64, 49060), (80, 39248), (88, 35680), (110, 28544), (128, 24530), (160, 19624), (176, 17840), (220, 14272), (223, 14080), (256, 12265), (320, 9812), (352, 8920), (440, 7136), (446, 7040), (640, 4906), (704, 4460), (880, 3568), (892, 3520), (1115, 2816), (1280, 2453), (1408, 2230), (1760, 1784)]