220855725

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 411301800

約数和(自身を除く): 190446075

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 89, 123, 205, 225, 267, 269, 369, 445, 615, 801, 807, 1025, 1335, 1345, 1845, 2225, 2421, 3075, 3649, 4005, 4035, 6675, 6725, 9225, 10947, 11029, 12105, 18245, 20025, 20175, 23941, 32841, 33087, 54735, 55145, 60525, 71823, 91225, 99261, 119705, 164205, 165435, 215469, 273675, 275725, 359115, 496305, 598525, 821025, 827175, 981581, 1077345, 1795575, 2481525, 2944743, 4907905, 5386725, 8834229, 14723715, 24539525, 44171145, 73618575, 220855725]

約数ペア:

[(1, 220855725), (3, 73618575), (5, 44171145), (9, 24539525), (15, 14723715), (25, 8834229), (41, 5386725), (45, 4907905), (75, 2944743), (89, 2481525), (123, 1795575), (205, 1077345), (225, 981581), (267, 827175), (269, 821025), (369, 598525), (445, 496305), (615, 359115), (801, 275725), (807, 273675), (1025, 215469), (1335, 165435), (1345, 164205), (1845, 119705), (2225, 99261), (2421, 91225), (3075, 71823), (3649, 60525), (4005, 55145), (4035, 54735), (6675, 33087), (6725, 32841), (9225, 23941), (10947, 20175), (11029, 20025), (12105, 18245)]