71978580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13789}}^1$

素因数の和:13833

約数の個数: 72

約数和(自身を含む): 225880200

約数和(自身を除く): 153901620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 13789, 27578, 41367, 55156, 68945, 82734, 124101, 137890, 165468, 206835, 248202, 275780, 399881, 413670, 496404, 620505, 799762, 827340, 1199643, 1241010, 1599524, 1999405, 2399286, 2482020, 3598929, 3998810, 4798572, 5998215, 7197858, 7997620, 11996430, 14395716, 17994645, 23992860, 35989290, 71978580]

約数ペア:

[(1, 71978580), (2, 35989290), (3, 23992860), (4, 17994645), (5, 14395716), (6, 11996430), (9, 7997620), (10, 7197858), (12, 5998215), (15, 4798572), (18, 3998810), (20, 3598929), (29, 2482020), (30, 2399286), (36, 1999405), (45, 1599524), (58, 1241010), (60, 1199643), (87, 827340), (90, 799762), (116, 620505), (145, 496404), (174, 413670), (180, 399881), (261, 275780), (290, 248202), (348, 206835), (435, 165468), (522, 137890), (580, 124101), (870, 82734), (1044, 68945), (1305, 55156), (1740, 41367), (2610, 27578), (5220, 13789)]