187788420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1451}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 570810240

約数和(自身を除く): 383021820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 1451, 2157, 2876, 2902, 3595, 4314, 4353, 5804, 6471, 7190, 7255, 8628, 8706, 10785, 12942, 13059, 14380, 14510, 17412, 21570, 21765, 25884, 26118, 29020, 32355, 43140, 43530, 52236, 64710, 65295, 87060, 129420, 130590, 261180, 1043269, 2086538, 3129807, 4173076, 5216345, 6259614, 9389421, 10432690, 12519228, 15649035, 18778842, 20865380, 31298070, 37557684, 46947105, 62596140, 93894210, 187788420]

約数ペア:

[(1, 187788420), (2, 93894210), (3, 62596140), (4, 46947105), (5, 37557684), (6, 31298070), (9, 20865380), (10, 18778842), (12, 15649035), (15, 12519228), (18, 10432690), (20, 9389421), (30, 6259614), (36, 5216345), (45, 4173076), (60, 3129807), (90, 2086538), (180, 1043269), (719, 261180), (1438, 130590), (1451, 129420), (2157, 87060), (2876, 65295), (2902, 64710), (3595, 52236), (4314, 43530), (4353, 43140), (5804, 32355), (6471, 29020), (7190, 26118), (7255, 25884), (8628, 21765), (8706, 21570), (10785, 17412), (12942, 14510), (13059, 14380)]