25162740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3309

約数の個数: 72

約数和(自身を含む): 78126048

約数和(自身を除く): 52963308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3251, 3870, 6502, 7740, 9753, 13004, 16255, 19506, 29259, 32510, 39012, 48765, 58518, 65020, 97530, 117036, 139793, 146295, 195060, 279586, 292590, 419379, 559172, 585180, 698965, 838758, 1258137, 1397930, 1677516, 2096895, 2516274, 2795860, 4193790, 5032548, 6290685, 8387580, 12581370, 25162740]

約数ペア:

[(1, 25162740), (2, 12581370), (3, 8387580), (4, 6290685), (5, 5032548), (6, 4193790), (9, 2795860), (10, 2516274), (12, 2096895), (15, 1677516), (18, 1397930), (20, 1258137), (30, 838758), (36, 698965), (43, 585180), (45, 559172), (60, 419379), (86, 292590), (90, 279586), (129, 195060), (172, 146295), (180, 139793), (215, 117036), (258, 97530), (387, 65020), (430, 58518), (516, 48765), (645, 39012), (774, 32510), (860, 29259), (1290, 19506), (1548, 16255), (1935, 13004), (2580, 9753), (3251, 7740), (3870, 6502)]