80122280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4691}}^1$

素因数の和:4770

約数の個数: 64

約数和(自身を含む): 209450880

約数和(自身を除く): 129328600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4691, 8540, 9382, 17080, 18764, 23455, 32837, 37528, 46910, 65674, 93820, 131348, 164185, 187640, 262696, 286151, 328370, 572302, 656740, 1144604, 1313480, 1430755, 2003057, 2289208, 2861510, 4006114, 5723020, 8012228, 10015285, 11446040, 16024456, 20030570, 40061140, 80122280]

約数ペア:

[(1, 80122280), (2, 40061140), (4, 20030570), (5, 16024456), (7, 11446040), (8, 10015285), (10, 8012228), (14, 5723020), (20, 4006114), (28, 2861510), (35, 2289208), (40, 2003057), (56, 1430755), (61, 1313480), (70, 1144604), (122, 656740), (140, 572302), (244, 328370), (280, 286151), (305, 262696), (427, 187640), (488, 164185), (610, 131348), (854, 93820), (1220, 65674), (1708, 46910), (2135, 37528), (2440, 32837), (3416, 23455), (4270, 18764), (4691, 17080), (8540, 9382)]