642916480

素因数分解:

$2^7\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1741}}^1$

素因数の和:2337

約数の個数: 64

約数和(自身を含む): 1540520280

約数和(自身を除く): 897603800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 577, 640, 1154, 1741, 2308, 2885, 3482, 4616, 5770, 6964, 8705, 9232, 11540, 13928, 17410, 18464, 23080, 27856, 34820, 36928, 46160, 55712, 69640, 73856, 92320, 111424, 139280, 184640, 222848, 278560, 369280, 557120, 1004557, 1114240, 2009114, 4018228, 5022785, 8036456, 10045570, 16072912, 20091140, 32145824, 40182280, 64291648, 80364560, 128583296, 160729120, 321458240, 642916480]

約数ペア:

[(1, 642916480), (2, 321458240), (4, 160729120), (5, 128583296), (8, 80364560), (10, 64291648), (16, 40182280), (20, 32145824), (32, 20091140), (40, 16072912), (64, 10045570), (80, 8036456), (128, 5022785), (160, 4018228), (320, 2009114), (577, 1114240), (640, 1004557), (1154, 557120), (1741, 369280), (2308, 278560), (2885, 222848), (3482, 184640), (4616, 139280), (5770, 111424), (6964, 92320), (8705, 73856), (9232, 69640), (11540, 55712), (13928, 46160), (17410, 36928), (18464, 34820), (23080, 27856)]