20170620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12451}}^1$

素因数の和:12472

約数の個数: 60

約数和(自身を含む): 63281064

約数和(自身を除く): 43110444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12451, 24902, 37353, 49804, 62255, 74706, 112059, 124510, 149412, 186765, 224118, 249020, 336177, 373530, 448236, 560295, 672354, 747060, 1008531, 1120590, 1344708, 1680885, 2017062, 2241180, 3361770, 4034124, 5042655, 6723540, 10085310, 20170620]

約数ペア:

[(1, 20170620), (2, 10085310), (3, 6723540), (4, 5042655), (5, 4034124), (6, 3361770), (9, 2241180), (10, 2017062), (12, 1680885), (15, 1344708), (18, 1120590), (20, 1008531), (27, 747060), (30, 672354), (36, 560295), (45, 448236), (54, 373530), (60, 336177), (81, 249020), (90, 224118), (108, 186765), (135, 149412), (162, 124510), (180, 112059), (270, 74706), (324, 62255), (405, 49804), (540, 37353), (810, 24902), (1620, 12451)]