80138295

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 151680000

約数和(自身を除く): 71541705

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 157, 171, 199, 285, 471, 513, 597, 785, 855, 995, 1413, 1791, 2355, 2565, 2983, 2985, 3781, 4239, 5373, 7065, 8949, 8955, 11343, 14915, 18905, 21195, 26847, 26865, 31243, 34029, 44745, 56715, 80541, 93729, 102087, 134235, 156215, 170145, 281187, 402705, 468645, 510435, 593617, 843561, 1405935, 1780851, 2968085, 4217805, 5342553, 8904255, 16027659, 26712765, 80138295]

約数ペア:

[(1, 80138295), (3, 26712765), (5, 16027659), (9, 8904255), (15, 5342553), (19, 4217805), (27, 2968085), (45, 1780851), (57, 1405935), (95, 843561), (135, 593617), (157, 510435), (171, 468645), (199, 402705), (285, 281187), (471, 170145), (513, 156215), (597, 134235), (785, 102087), (855, 93729), (995, 80541), (1413, 56715), (1791, 44745), (2355, 34029), (2565, 31243), (2983, 26865), (2985, 26847), (3781, 21195), (4239, 18905), (5373, 14915), (7065, 11343), (8949, 8955)]