90169240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1283}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 232968960

約数和(自身を除く): 142799720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1283, 1757, 2008, 2510, 2566, 3514, 5020, 5132, 6415, 7028, 8785, 8981, 10040, 10264, 12830, 14056, 17570, 17962, 25660, 35140, 35924, 44905, 51320, 70280, 71848, 89810, 179620, 322033, 359240, 644066, 1288132, 1610165, 2254231, 2576264, 3220330, 4508462, 6440660, 9016924, 11271155, 12881320, 18033848, 22542310, 45084620, 90169240]

約数ペア:

[(1, 90169240), (2, 45084620), (4, 22542310), (5, 18033848), (7, 12881320), (8, 11271155), (10, 9016924), (14, 6440660), (20, 4508462), (28, 3220330), (35, 2576264), (40, 2254231), (56, 1610165), (70, 1288132), (140, 644066), (251, 359240), (280, 322033), (502, 179620), (1004, 89810), (1255, 71848), (1283, 70280), (1757, 51320), (2008, 44905), (2510, 35924), (2566, 35140), (3514, 25660), (5020, 17962), (5132, 17570), (6415, 14056), (7028, 12830), (8785, 10264), (8981, 10040)]