80938980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4051}}^1$

素因数の和:4106

約数の個数: 96

約数和(自身を含む): 258679680

約数和(自身を除く): 177740700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3996, 4051, 4995, 6660, 8102, 9990, 12153, 16204, 19980, 20255, 24306, 36459, 40510, 48612, 60765, 72918, 81020, 109377, 121530, 145836, 149887, 182295, 218754, 243060, 299774, 364590, 437508, 449661, 546885, 599548, 729180, 749435, 899322, 1093770, 1348983, 1498870, 1798644, 2187540, 2248305, 2697966, 2997740, 4046949, 4496610, 5395932, 6744915, 8093898, 8993220, 13489830, 16187796, 20234745, 26979660, 40469490, 80938980]

約数ペア:

[(1, 80938980), (2, 40469490), (3, 26979660), (4, 20234745), (5, 16187796), (6, 13489830), (9, 8993220), (10, 8093898), (12, 6744915), (15, 5395932), (18, 4496610), (20, 4046949), (27, 2997740), (30, 2697966), (36, 2248305), (37, 2187540), (45, 1798644), (54, 1498870), (60, 1348983), (74, 1093770), (90, 899322), (108, 749435), (111, 729180), (135, 599548), (148, 546885), (180, 449661), (185, 437508), (222, 364590), (270, 299774), (333, 243060), (370, 218754), (444, 182295), (540, 149887), (555, 145836), (666, 121530), (740, 109377), (999, 81020), (1110, 72918), (1332, 60765), (1665, 48612), (1998, 40510), (2220, 36459), (3330, 24306), (3996, 20255), (4051, 19980), (4995, 16204), (6660, 12153), (8102, 9990)]