660212480

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6529}}^1$

素因数の和:6629

約数の個数: 72

約数和(自身を含む): 1601678400

約数和(自身を除く): 941465920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2528, 3160, 5056, 6320, 6529, 10112, 12640, 13058, 20224, 25280, 26116, 32645, 50560, 52232, 65290, 101120, 104464, 130580, 208928, 261160, 417856, 515791, 522320, 835712, 1031582, 1044640, 1671424, 2063164, 2089280, 2578955, 4126328, 4178560, 5157910, 8252656, 8357120, 10315820, 16505312, 20631640, 33010624, 41263280, 66021248, 82526560, 132042496, 165053120, 330106240, 660212480]

約数ペア:

[(1, 660212480), (2, 330106240), (4, 165053120), (5, 132042496), (8, 82526560), (10, 66021248), (16, 41263280), (20, 33010624), (32, 20631640), (40, 16505312), (64, 10315820), (79, 8357120), (80, 8252656), (128, 5157910), (158, 4178560), (160, 4126328), (256, 2578955), (316, 2089280), (320, 2063164), (395, 1671424), (632, 1044640), (640, 1031582), (790, 835712), (1264, 522320), (1280, 515791), (1580, 417856), (2528, 261160), (3160, 208928), (5056, 130580), (6320, 104464), (6529, 101120), (10112, 65290), (12640, 52232), (13058, 50560), (20224, 32645), (25280, 26116)]