12072620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 30030336

約数和(自身を除く): 17957716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 127, 140, 194, 196, 245, 254, 388, 485, 490, 508, 635, 679, 889, 970, 980, 1270, 1358, 1778, 1940, 2540, 2716, 3395, 3556, 4445, 4753, 6223, 6790, 8890, 9506, 12319, 12446, 13580, 17780, 19012, 23765, 24638, 24892, 31115, 47530, 49276, 61595, 62230, 86233, 95060, 123190, 124460, 172466, 246380, 344932, 431165, 603631, 862330, 1207262, 1724660, 2414524, 3018155, 6036310, 12072620]

約数ペア:

[(1, 12072620), (2, 6036310), (4, 3018155), (5, 2414524), (7, 1724660), (10, 1207262), (14, 862330), (20, 603631), (28, 431165), (35, 344932), (49, 246380), (70, 172466), (97, 124460), (98, 123190), (127, 95060), (140, 86233), (194, 62230), (196, 61595), (245, 49276), (254, 47530), (388, 31115), (485, 24892), (490, 24638), (508, 23765), (635, 19012), (679, 17780), (889, 13580), (970, 12446), (980, 12319), (1270, 9506), (1358, 8890), (1778, 6790), (1940, 6223), (2540, 4753), (2716, 4445), (3395, 3556)]