84112280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4231}}^1$

素因数の和:4320

約数の個数: 64

約数和(自身を含む): 219386880

約数和(自身を除く): 135274600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4231, 4970, 8462, 9940, 16924, 19880, 21155, 29617, 33848, 42310, 59234, 84620, 118468, 148085, 169240, 236936, 296170, 300401, 592340, 600802, 1184680, 1201604, 1502005, 2102807, 2403208, 3004010, 4205614, 6008020, 8411228, 10514035, 12016040, 16822456, 21028070, 42056140, 84112280]

約数ペア:

[(1, 84112280), (2, 42056140), (4, 21028070), (5, 16822456), (7, 12016040), (8, 10514035), (10, 8411228), (14, 6008020), (20, 4205614), (28, 3004010), (35, 2403208), (40, 2102807), (56, 1502005), (70, 1201604), (71, 1184680), (140, 600802), (142, 592340), (280, 300401), (284, 296170), (355, 236936), (497, 169240), (568, 148085), (710, 118468), (994, 84620), (1420, 59234), (1988, 42310), (2485, 33848), (2840, 29617), (3976, 21155), (4231, 19880), (4970, 16924), (8462, 9940)]