2071821240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{639451}}^1$

素因数の和:639474

約数の個数: 80

約数和(自身を含む): 6963632280

約数和(自身を除く): 4891811040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 639451, 1278902, 1918353, 2557804, 3197255, 3836706, 5115608, 5755059, 6394510, 7673412, 9591765, 11510118, 12789020, 15346824, 17265177, 19183530, 23020236, 25578040, 28775295, 34530354, 38367060, 46040472, 51795531, 57550590, 69060708, 76734120, 86325885, 103591062, 115101180, 138121416, 172651770, 207182124, 230202360, 258977655, 345303540, 414364248, 517955310, 690607080, 1035910620, 2071821240]

約数ペア:

[(1, 2071821240), (2, 1035910620), (3, 690607080), (4, 517955310), (5, 414364248), (6, 345303540), (8, 258977655), (9, 230202360), (10, 207182124), (12, 172651770), (15, 138121416), (18, 115101180), (20, 103591062), (24, 86325885), (27, 76734120), (30, 69060708), (36, 57550590), (40, 51795531), (45, 46040472), (54, 38367060), (60, 34530354), (72, 28775295), (81, 25578040), (90, 23020236), (108, 19183530), (120, 17265177), (135, 15346824), (162, 12789020), (180, 11510118), (216, 9591765), (270, 7673412), (324, 6394510), (360, 5755059), (405, 5115608), (540, 3836706), (648, 3197255), (810, 2557804), (1080, 1918353), (1620, 1278902), (3240, 639451)]