218815920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2393}}^1$

素因数の和:2539

約数の個数: 120

約数和(自身を含む): 740952576

約数和(自身を除く): 522136656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2286, 2393, 2540, 3048, 3810, 4572, 4786, 5080, 5715, 6096, 7179, 7620, 9144, 9572, 10160, 11430, 11965, 14358, 15240, 18288, 19144, 21537, 22860, 23930, 28716, 30480, 35895, 38288, 43074, 45720, 47860, 57432, 71790, 86148, 91440, 95720, 107685, 114864, 143580, 172296, 191440, 215370, 287160, 303911, 344592, 430740, 574320, 607822, 861480, 911733, 1215644, 1519555, 1722960, 1823466, 2431288, 2735199, 3039110, 3646932, 4558665, 4862576, 5470398, 6078220, 7293864, 9117330, 10940796, 12156440, 13675995, 14587728, 18234660, 21881592, 24312880, 27351990, 36469320, 43763184, 54703980, 72938640, 109407960, 218815920]

約数ペア:

[(1, 218815920), (2, 109407960), (3, 72938640), (4, 54703980), (5, 43763184), (6, 36469320), (8, 27351990), (9, 24312880), (10, 21881592), (12, 18234660), (15, 14587728), (16, 13675995), (18, 12156440), (20, 10940796), (24, 9117330), (30, 7293864), (36, 6078220), (40, 5470398), (45, 4862576), (48, 4558665), (60, 3646932), (72, 3039110), (80, 2735199), (90, 2431288), (120, 1823466), (127, 1722960), (144, 1519555), (180, 1215644), (240, 911733), (254, 861480), (360, 607822), (381, 574320), (508, 430740), (635, 344592), (720, 303911), (762, 287160), (1016, 215370), (1143, 191440), (1270, 172296), (1524, 143580), (1905, 114864), (2032, 107685), (2286, 95720), (2393, 91440), (2540, 86148), (3048, 71790), (3810, 57432), (4572, 47860), (4786, 45720), (5080, 43074), (5715, 38288), (6096, 35895), (7179, 30480), (7620, 28716), (9144, 23930), (9572, 22860), (10160, 21537), (11430, 19144), (11965, 18288), (14358, 15240)]