81378930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1051}}^1$

素因数の和:1179

約数の個数: 64

約数和(自身を含む): 204508800

約数和(自身を除く): 123129870

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 89, 145, 174, 178, 267, 290, 435, 445, 534, 870, 890, 1051, 1335, 2102, 2581, 2670, 3153, 5162, 5255, 6306, 7743, 10510, 12905, 15486, 15765, 25810, 30479, 31530, 38715, 60958, 77430, 91437, 93539, 152395, 182874, 187078, 280617, 304790, 457185, 467695, 561234, 914370, 935390, 1403085, 2712631, 2806170, 5425262, 8137893, 13563155, 16275786, 27126310, 40689465, 81378930]

約数ペア:

[(1, 81378930), (2, 40689465), (3, 27126310), (5, 16275786), (6, 13563155), (10, 8137893), (15, 5425262), (29, 2806170), (30, 2712631), (58, 1403085), (87, 935390), (89, 914370), (145, 561234), (174, 467695), (178, 457185), (267, 304790), (290, 280617), (435, 187078), (445, 182874), (534, 152395), (870, 93539), (890, 91437), (1051, 77430), (1335, 60958), (2102, 38715), (2581, 31530), (2670, 30479), (3153, 25810), (5162, 15765), (5255, 15486), (6306, 12905), (7743, 10510)]