211171860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43451}}^1$

素因数の和:43475

約数の個数: 72

約数和(自身を含む): 664294176

約数和(自身を除く): 453122316

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 43451, 86902, 130353, 173804, 217255, 260706, 391059, 434510, 521412, 651765, 782118, 869020, 1173177, 1303530, 1564236, 1955295, 2346354, 2607060, 3519531, 3910590, 4692708, 5865885, 7039062, 7821180, 10558593, 11731770, 14078124, 17597655, 21117186, 23463540, 35195310, 42234372, 52792965, 70390620, 105585930, 211171860]

約数ペア:

[(1, 211171860), (2, 105585930), (3, 70390620), (4, 52792965), (5, 42234372), (6, 35195310), (9, 23463540), (10, 21117186), (12, 17597655), (15, 14078124), (18, 11731770), (20, 10558593), (27, 7821180), (30, 7039062), (36, 5865885), (45, 4692708), (54, 3910590), (60, 3519531), (81, 2607060), (90, 2346354), (108, 1955295), (135, 1564236), (162, 1303530), (180, 1173177), (243, 869020), (270, 782118), (324, 651765), (405, 521412), (486, 434510), (540, 391059), (810, 260706), (972, 217255), (1215, 173804), (1620, 130353), (2430, 86902), (4860, 43451)]