721548

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 2012472

約数和(自身を除く): 1290924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 131, 153, 162, 204, 262, 306, 324, 393, 459, 524, 612, 786, 918, 1179, 1377, 1572, 1836, 2227, 2358, 2754, 3537, 4454, 4716, 5508, 6681, 7074, 8908, 10611, 13362, 14148, 20043, 21222, 26724, 40086, 42444, 60129, 80172, 120258, 180387, 240516, 360774, 721548]

約数ペア:

[(1, 721548), (2, 360774), (3, 240516), (4, 180387), (6, 120258), (9, 80172), (12, 60129), (17, 42444), (18, 40086), (27, 26724), (34, 21222), (36, 20043), (51, 14148), (54, 13362), (68, 10611), (81, 8908), (102, 7074), (108, 6681), (131, 5508), (153, 4716), (162, 4454), (204, 3537), (262, 2754), (306, 2358), (324, 2227), (393, 1836), (459, 1572), (524, 1377), (612, 1179), (786, 918)]