78818820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1481}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 221090688

約数和(自身を除く): 142271868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 887, 1481, 1774, 2661, 2962, 3548, 4435, 4443, 5322, 5924, 7405, 8870, 8886, 10644, 13305, 14810, 17740, 17772, 22215, 26610, 29620, 44430, 53220, 88860, 1313647, 2627294, 3940941, 5254588, 6568235, 7881882, 13136470, 15763764, 19704705, 26272940, 39409410, 78818820]

約数ペア:

[(1, 78818820), (2, 39409410), (3, 26272940), (4, 19704705), (5, 15763764), (6, 13136470), (10, 7881882), (12, 6568235), (15, 5254588), (20, 3940941), (30, 2627294), (60, 1313647), (887, 88860), (1481, 53220), (1774, 44430), (2661, 29620), (2962, 26610), (3548, 22215), (4435, 17772), (4443, 17740), (5322, 14810), (5924, 13305), (7405, 10644), (8870, 8886)]