128710620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79451}}^1$

素因数の和:79472

約数の個数: 60

約数和(自身を含む): 403775064

約数和(自身を除く): 275064444

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, 79451, 158902, 238353, 317804, 397255, 476706, 715059, 794510, 953412, 1191765, 1430118, 1589020, 2145177, 2383530, 2860236, 3575295, 4290354, 4767060, 6435531, 7150590, 8580708, 10725885, 12871062, 14301180, 21451770, 25742124, 32177655, 42903540, 64355310, 128710620]

約数ペア:

[(1, 128710620), (2, 64355310), (3, 42903540), (4, 32177655), (5, 25742124), (6, 21451770), (9, 14301180), (10, 12871062), (12, 10725885), (15, 8580708), (18, 7150590), (20, 6435531), (27, 4767060), (30, 4290354), (36, 3575295), (45, 2860236), (54, 2383530), (60, 2145177), (81, 1589020), (90, 1430118), (108, 1191765), (135, 953412), (162, 794510), (180, 715059), (270, 476706), (324, 397255), (405, 317804), (540, 238353), (810, 158902), (1620, 79451)]