90379120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 236609856

約数和(自身を除く): 146230736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 47, 52, 65, 80, 86, 94, 104, 130, 172, 188, 208, 215, 235, 260, 344, 376, 430, 470, 520, 559, 611, 688, 752, 860, 940, 1040, 1118, 1222, 1720, 1849, 1880, 2021, 2236, 2444, 2795, 3055, 3440, 3698, 3760, 4042, 4472, 4888, 5590, 6110, 7396, 8084, 8944, 9245, 9776, 10105, 11180, 12220, 14792, 16168, 18490, 20210, 22360, 24037, 24440, 26273, 29584, 32336, 36980, 40420, 44720, 48074, 48880, 52546, 73960, 80840, 86903, 96148, 105092, 120185, 131365, 147920, 161680, 173806, 192296, 210184, 240370, 262730, 347612, 384592, 420368, 434515, 480740, 525460, 695224, 869030, 961480, 1050920, 1129739, 1390448, 1738060, 1922960, 2101840, 2259478, 3476120, 4518956, 5648695, 6952240, 9037912, 11297390, 18075824, 22594780, 45189560, 90379120]

約数ペア:

[(1, 90379120), (2, 45189560), (4, 22594780), (5, 18075824), (8, 11297390), (10, 9037912), (13, 6952240), (16, 5648695), (20, 4518956), (26, 3476120), (40, 2259478), (43, 2101840), (47, 1922960), (52, 1738060), (65, 1390448), (80, 1129739), (86, 1050920), (94, 961480), (104, 869030), (130, 695224), (172, 525460), (188, 480740), (208, 434515), (215, 420368), (235, 384592), (260, 347612), (344, 262730), (376, 240370), (430, 210184), (470, 192296), (520, 173806), (559, 161680), (611, 147920), (688, 131365), (752, 120185), (860, 105092), (940, 96148), (1040, 86903), (1118, 80840), (1222, 73960), (1720, 52546), (1849, 48880), (1880, 48074), (2021, 44720), (2236, 40420), (2444, 36980), (2795, 32336), (3055, 29584), (3440, 26273), (3698, 24440), (3760, 24037), (4042, 22360), (4472, 20210), (4888, 18490), (5590, 16168), (6110, 14792), (7396, 12220), (8084, 11180), (8944, 10105), (9245, 9776)]