156180780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123953}}^1$

素因数の和:123975

約数の個数: 72

約数和(自身を含む): 541431072

約数和(自身を除く): 385250292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123953, 247906, 371859, 495812, 619765, 743718, 867671, 1115577, 1239530, 1487436, 1735342, 1859295, 2231154, 2479060, 2603013, 3470684, 3718590, 4338355, 4462308, 5206026, 5577885, 7437180, 7809039, 8676710, 10412052, 11155770, 13015065, 15618078, 17353420, 22311540, 26030130, 31236156, 39045195, 52060260, 78090390, 156180780]

約数ペア:

[(1, 156180780), (2, 78090390), (3, 52060260), (4, 39045195), (5, 31236156), (6, 26030130), (7, 22311540), (9, 17353420), (10, 15618078), (12, 13015065), (14, 11155770), (15, 10412052), (18, 8676710), (20, 7809039), (21, 7437180), (28, 5577885), (30, 5206026), (35, 4462308), (36, 4338355), (42, 3718590), (45, 3470684), (60, 2603013), (63, 2479060), (70, 2231154), (84, 1859295), (90, 1735342), (105, 1487436), (126, 1239530), (140, 1115577), (180, 867671), (210, 743718), (252, 619765), (315, 495812), (420, 371859), (630, 247906), (1260, 123953)]