80972820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{751}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 246355200

約数和(自身を除く): 165382380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 599, 751, 1198, 1502, 1797, 2253, 2396, 2995, 3004, 3594, 3755, 4506, 5391, 5990, 6759, 7188, 7510, 8985, 9012, 10782, 11265, 11980, 13518, 15020, 17970, 21564, 22530, 26955, 27036, 33795, 35940, 45060, 53910, 67590, 107820, 135180, 449849, 899698, 1349547, 1799396, 2249245, 2699094, 4048641, 4498490, 5398188, 6747735, 8097282, 8996980, 13495470, 16194564, 20243205, 26990940, 40486410, 80972820]

約数ペア:

[(1, 80972820), (2, 40486410), (3, 26990940), (4, 20243205), (5, 16194564), (6, 13495470), (9, 8996980), (10, 8097282), (12, 6747735), (15, 5398188), (18, 4498490), (20, 4048641), (30, 2699094), (36, 2249245), (45, 1799396), (60, 1349547), (90, 899698), (180, 449849), (599, 135180), (751, 107820), (1198, 67590), (1502, 53910), (1797, 45060), (2253, 35940), (2396, 33795), (2995, 27036), (3004, 26955), (3594, 22530), (3755, 21564), (4506, 17970), (5391, 15020), (5990, 13518), (6759, 11980), (7188, 11265), (7510, 10782), (8985, 9012)]