261731520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{30293}}^1$

素因数の和:30319

約数の個数: 112

約数和(自身を含む): 923361120

約数和(自身を除く): 661629600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 30293, 60586, 90879, 121172, 151465, 181758, 242344, 272637, 302930, 363516, 454395, 484688, 545274, 605860, 727032, 817911, 908790, 969376, 1090548, 1211720, 1363185, 1454064, 1635822, 1817580, 1938752, 2181096, 2423440, 2726370, 2908128, 3271644, 3635160, 4089555, 4362192, 4846880, 5452740, 5816256, 6543288, 7270320, 8179110, 8724384, 9693760, 10905480, 13086576, 14540640, 16358220, 17448768, 21810960, 26173152, 29081280, 32716440, 43621920, 52346304, 65432880, 87243840, 130865760, 261731520]

約数ペア:

[(1, 261731520), (2, 130865760), (3, 87243840), (4, 65432880), (5, 52346304), (6, 43621920), (8, 32716440), (9, 29081280), (10, 26173152), (12, 21810960), (15, 17448768), (16, 16358220), (18, 14540640), (20, 13086576), (24, 10905480), (27, 9693760), (30, 8724384), (32, 8179110), (36, 7270320), (40, 6543288), (45, 5816256), (48, 5452740), (54, 4846880), (60, 4362192), (64, 4089555), (72, 3635160), (80, 3271644), (90, 2908128), (96, 2726370), (108, 2423440), (120, 2181096), (135, 1938752), (144, 1817580), (160, 1635822), (180, 1454064), (192, 1363185), (216, 1211720), (240, 1090548), (270, 969376), (288, 908790), (320, 817911), (360, 727032), (432, 605860), (480, 545274), (540, 484688), (576, 454395), (720, 363516), (864, 302930), (960, 272637), (1080, 242344), (1440, 181758), (1728, 151465), (2160, 121172), (2880, 90879), (4320, 60586), (8640, 30293)]