43087720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 111767040

約数和(自身を除く): 68679320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 43, 47, 52, 65, 82, 86, 94, 104, 130, 164, 172, 188, 205, 215, 235, 260, 328, 344, 376, 410, 430, 470, 520, 533, 559, 611, 820, 860, 940, 1066, 1118, 1222, 1640, 1720, 1763, 1880, 1927, 2021, 2132, 2236, 2444, 2665, 2795, 3055, 3526, 3854, 4042, 4264, 4472, 4888, 5330, 5590, 6110, 7052, 7708, 8084, 8815, 9635, 10105, 10660, 11180, 12220, 14104, 15416, 16168, 17630, 19270, 20210, 21320, 22360, 22919, 24440, 25051, 26273, 35260, 38540, 40420, 45838, 50102, 52546, 70520, 77080, 80840, 82861, 91676, 100204, 105092, 114595, 125255, 131365, 165722, 183352, 200408, 210184, 229190, 250510, 262730, 331444, 414305, 458380, 501020, 525460, 662888, 828610, 916760, 1002040, 1050920, 1077193, 1657220, 2154386, 3314440, 4308772, 5385965, 8617544, 10771930, 21543860, 43087720]

約数ペア:

[(1, 43087720), (2, 21543860), (4, 10771930), (5, 8617544), (8, 5385965), (10, 4308772), (13, 3314440), (20, 2154386), (26, 1657220), (40, 1077193), (41, 1050920), (43, 1002040), (47, 916760), (52, 828610), (65, 662888), (82, 525460), (86, 501020), (94, 458380), (104, 414305), (130, 331444), (164, 262730), (172, 250510), (188, 229190), (205, 210184), (215, 200408), (235, 183352), (260, 165722), (328, 131365), (344, 125255), (376, 114595), (410, 105092), (430, 100204), (470, 91676), (520, 82861), (533, 80840), (559, 77080), (611, 70520), (820, 52546), (860, 50102), (940, 45838), (1066, 40420), (1118, 38540), (1222, 35260), (1640, 26273), (1720, 25051), (1763, 24440), (1880, 22919), (1927, 22360), (2021, 21320), (2132, 20210), (2236, 19270), (2444, 17630), (2665, 16168), (2795, 15416), (3055, 14104), (3526, 12220), (3854, 11180), (4042, 10660), (4264, 10105), (4472, 9635), (4888, 8815), (5330, 8084), (5590, 7708), (6110, 7052)]