720425988

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{23909}}^1$

素因数の和:23959

約数の個数: 72

約数和(自身を含む): 1949525760

約数和(自身を除く): 1229099772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 837, 972, 1116, 1674, 2511, 3348, 5022, 7533, 10044, 15066, 23909, 30132, 47818, 71727, 95636, 143454, 215181, 286908, 430362, 645543, 741179, 860724, 1291086, 1482358, 1936629, 2223537, 2582172, 2964716, 3873258, 4447074, 5809887, 6670611, 7746516, 8894148, 11619774, 13341222, 20011833, 23239548, 26682444, 40023666, 60035499, 80047332, 120070998, 180106497, 240141996, 360212994, 720425988]

約数ペア:

[(1, 720425988), (2, 360212994), (3, 240141996), (4, 180106497), (6, 120070998), (9, 80047332), (12, 60035499), (18, 40023666), (27, 26682444), (31, 23239548), (36, 20011833), (54, 13341222), (62, 11619774), (81, 8894148), (93, 7746516), (108, 6670611), (124, 5809887), (162, 4447074), (186, 3873258), (243, 2964716), (279, 2582172), (324, 2223537), (372, 1936629), (486, 1482358), (558, 1291086), (837, 860724), (972, 741179), (1116, 645543), (1674, 430362), (2511, 286908), (3348, 215181), (5022, 143454), (7533, 95636), (10044, 71727), (15066, 47818), (23909, 30132)]