138969180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2156

約数の個数: 144

約数和(自身を含む): 491085504

約数和(自身を除く): 352116324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2081, 2226, 2385, 3180, 3339, 3710, 4162, 4452, 4770, 5565, 6243, 6678, 7420, 8324, 9540, 10405, 11130, 12486, 13356, 14567, 16695, 18729, 20810, 22260, 24972, 29134, 31215, 33390, 37458, 41620, 43701, 58268, 62430, 66780, 72835, 74916, 87402, 93645, 110293, 124860, 131103, 145670, 174804, 187290, 218505, 220586, 262206, 291340, 330879, 374580, 437010, 441172, 524412, 551465, 655515, 661758, 772051, 874020, 992637, 1102930, 1311030, 1323516, 1544102, 1654395, 1985274, 2205860, 2316153, 2622060, 3088204, 3308790, 3860255, 3970548, 4632306, 4963185, 6617580, 6948459, 7720510, 9264612, 9926370, 11580765, 13896918, 15441020, 19852740, 23161530, 27793836, 34742295, 46323060, 69484590, 138969180]

約数ペア:

[(1, 138969180), (2, 69484590), (3, 46323060), (4, 34742295), (5, 27793836), (6, 23161530), (7, 19852740), (9, 15441020), (10, 13896918), (12, 11580765), (14, 9926370), (15, 9264612), (18, 7720510), (20, 6948459), (21, 6617580), (28, 4963185), (30, 4632306), (35, 3970548), (36, 3860255), (42, 3308790), (45, 3088204), (53, 2622060), (60, 2316153), (63, 2205860), (70, 1985274), (84, 1654395), (90, 1544102), (105, 1323516), (106, 1311030), (126, 1102930), (140, 992637), (159, 874020), (180, 772051), (210, 661758), (212, 655515), (252, 551465), (265, 524412), (315, 441172), (318, 437010), (371, 374580), (420, 330879), (477, 291340), (530, 262206), (630, 220586), (636, 218505), (742, 187290), (795, 174804), (954, 145670), (1060, 131103), (1113, 124860), (1260, 110293), (1484, 93645), (1590, 87402), (1855, 74916), (1908, 72835), (2081, 66780), (2226, 62430), (2385, 58268), (3180, 43701), (3339, 41620), (3710, 37458), (4162, 33390), (4452, 31215), (4770, 29134), (5565, 24972), (6243, 22260), (6678, 20810), (7420, 18729), (8324, 16695), (9540, 14567), (10405, 13356), (11130, 12486)]