211923540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{130817}}^1$

素因数の和:130838

約数の個数: 60

約数和(自身を含む): 664817076

約数和(自身を除く): 452893536

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, 130817, 261634, 392451, 523268, 654085, 784902, 1177353, 1308170, 1569804, 1962255, 2354706, 2616340, 3532059, 3924510, 4709412, 5886765, 7064118, 7849020, 10596177, 11773530, 14128236, 17660295, 21192354, 23547060, 35320590, 42384708, 52980885, 70641180, 105961770, 211923540]

約数ペア:

[(1, 211923540), (2, 105961770), (3, 70641180), (4, 52980885), (5, 42384708), (6, 35320590), (9, 23547060), (10, 21192354), (12, 17660295), (15, 14128236), (18, 11773530), (20, 10596177), (27, 7849020), (30, 7064118), (36, 5886765), (45, 4709412), (54, 3924510), (60, 3532059), (81, 2616340), (90, 2354706), (108, 1962255), (135, 1569804), (162, 1308170), (180, 1177353), (270, 784902), (324, 654085), (405, 523268), (540, 392451), (810, 261634), (1620, 130817)]