161840980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{14633}}^1$

素因数の和:14728

約数の個数: 48

約数和(自身を含む): 393361920

約数和(自身を除く): 231520940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 14633, 29266, 58532, 73165, 102431, 146330, 204862, 292660, 409724, 512155, 1024310, 1156007, 2048620, 2312014, 4624028, 5780035, 8092049, 11560070, 16184098, 23120140, 32368196, 40460245, 80920490, 161840980]

約数ペア:

[(1, 161840980), (2, 80920490), (4, 40460245), (5, 32368196), (7, 23120140), (10, 16184098), (14, 11560070), (20, 8092049), (28, 5780035), (35, 4624028), (70, 2312014), (79, 2048620), (140, 1156007), (158, 1024310), (316, 512155), (395, 409724), (553, 292660), (790, 204862), (1106, 146330), (1580, 102431), (2212, 73165), (2765, 58532), (5530, 29266), (11060, 14633)]