82821180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106181}}^1$

素因数の和:106206

約数の個数: 48

約数和(自身を含む): 249740064

約数和(自身を除く): 166918884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 106181, 212362, 318543, 424724, 530905, 637086, 1061810, 1274172, 1380353, 1592715, 2123620, 2760706, 3185430, 4141059, 5521412, 6370860, 6901765, 8282118, 13803530, 16564236, 20705295, 27607060, 41410590, 82821180]

約数ペア:

[(1, 82821180), (2, 41410590), (3, 27607060), (4, 20705295), (5, 16564236), (6, 13803530), (10, 8282118), (12, 6901765), (13, 6370860), (15, 5521412), (20, 4141059), (26, 3185430), (30, 2760706), (39, 2123620), (52, 1592715), (60, 1380353), (65, 1274172), (78, 1061810), (130, 637086), (156, 530905), (195, 424724), (260, 318543), (390, 212362), (780, 106181)]