81381180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71387}}^1$

素因数の和:71418

約数の個数: 48

約数和(自身を含む): 239863680

約数和(自身を除く): 158482500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71387, 142774, 214161, 285548, 356935, 428322, 713870, 856644, 1070805, 1356353, 1427740, 2141610, 2712706, 4069059, 4283220, 5425412, 6781765, 8138118, 13563530, 16276236, 20345295, 27127060, 40690590, 81381180]

約数ペア:

[(1, 81381180), (2, 40690590), (3, 27127060), (4, 20345295), (5, 16276236), (6, 13563530), (10, 8138118), (12, 6781765), (15, 5425412), (19, 4283220), (20, 4069059), (30, 2712706), (38, 2141610), (57, 1427740), (60, 1356353), (76, 1070805), (95, 856644), (114, 713870), (190, 428322), (228, 356935), (285, 285548), (380, 214161), (570, 142774), (1140, 71387)]