15421420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1867}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 37658880

約数和(自身を除く): 22237460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 1867, 2065, 3734, 4130, 7468, 8260, 9335, 13069, 18670, 26138, 37340, 52276, 65345, 110153, 130690, 220306, 261380, 440612, 550765, 771071, 1101530, 1542142, 2203060, 3084284, 3855355, 7710710, 15421420]

約数ペア:

[(1, 15421420), (2, 7710710), (4, 3855355), (5, 3084284), (7, 2203060), (10, 1542142), (14, 1101530), (20, 771071), (28, 550765), (35, 440612), (59, 261380), (70, 220306), (118, 130690), (140, 110153), (236, 65345), (295, 52276), (413, 37340), (590, 26138), (826, 18670), (1180, 13069), (1652, 9335), (1867, 8260), (2065, 7468), (3734, 4130)]