2542140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 7993440

約数和(自身を除く): 5451300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 487, 522, 580, 870, 974, 1044, 1305, 1461, 1740, 1948, 2435, 2610, 2922, 4383, 4870, 5220, 5844, 7305, 8766, 9740, 14123, 14610, 17532, 21915, 28246, 29220, 42369, 43830, 56492, 70615, 84738, 87660, 127107, 141230, 169476, 211845, 254214, 282460, 423690, 508428, 635535, 847380, 1271070, 2542140]

約数ペア:

[(1, 2542140), (2, 1271070), (3, 847380), (4, 635535), (5, 508428), (6, 423690), (9, 282460), (10, 254214), (12, 211845), (15, 169476), (18, 141230), (20, 127107), (29, 87660), (30, 84738), (36, 70615), (45, 56492), (58, 43830), (60, 42369), (87, 29220), (90, 28246), (116, 21915), (145, 17532), (174, 14610), (180, 14123), (261, 9740), (290, 8766), (348, 7305), (435, 5844), (487, 5220), (522, 4870), (580, 4383), (870, 2922), (974, 2610), (1044, 2435), (1305, 1948), (1461, 1740)]