20161371420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1\times {\mathrm{677}}^1$

素因数の和:1322

約数の個数: 240

約数和(自身を含む): 65493888768

約数和(自身を除く): 45332517348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 593, 620, 677, 810, 837, 930, 1116, 1186, 1354, 1395, 1620, 1674, 1779, 1860, 2031, 2372, 2511, 2708, 2790, 2965, 3348, 3385, 3558, 4062, 4185, 5022, 5337, 5580, 5930, 6093, 6770, 7116, 8124, 8370, 8895, 10044, 10155, 10674, 11860, 12186, 12555, 13540, 16011, 16740, 17790, 18279, 18383, 20310, 20987, 21348, 24372, 25110, 26685, 30465, 32022, 35580, 36558, 36766, 40620, 41974, 48033, 50220, 53370, 54837, 55149, 60930, 62961, 64044, 73116, 73532, 80055, 83948, 91395, 91915, 96066, 104935, 106740, 109674, 110298, 121860, 125922, 160110, 165447, 182790, 183830, 188883, 192132, 209870, 219348, 220596, 240165, 251844, 274185, 275745, 314805, 320220, 330894, 365580, 367660, 377766, 401461, 419740, 480330, 496341, 548370, 551490, 566649, 629610, 661788, 755532, 802922, 827235, 944415, 960660, 992682, 1096740, 1102980, 1133298, 1204383, 1259220, 1489023, 1605844, 1654470, 1699947, 1888830, 1985364, 2007305, 2266596, 2408766, 2481705, 2833245, 2978046, 3308940, 3399894, 3613149, 3777660, 4014610, 4817532, 4963410, 5666490, 5956092, 6021915, 6799788, 7226298, 7445115, 8029220, 8499735, 9926820, 10839447, 11332980, 12043830, 12445291, 14452596, 14890230, 16999470, 18065745, 21678894, 24087660, 24890582, 29780460, 32518341, 33998940, 36131490, 37335873, 43357788, 49781164, 54197235, 62226455, 65036682, 72262980, 74671746, 108394470, 112007619, 124452910, 130073364, 149343492, 162591705, 186679365, 216788940, 224015238, 248905820, 325183410, 336022857, 373358730, 448030476, 560038095, 650366820, 672045714, 746717460, 1008068571, 1120076190, 1344091428, 1680114285, 2016137142, 2240152380, 3360228570, 4032274284, 5040342855, 6720457140, 10080685710, 20161371420]

約数ペア:

[(1, 20161371420), (2, 10080685710), (3, 6720457140), (4, 5040342855), (5, 4032274284), (6, 3360228570), (9, 2240152380), (10, 2016137142), (12, 1680114285), (15, 1344091428), (18, 1120076190), (20, 1008068571), (27, 746717460), (30, 672045714), (31, 650366820), (36, 560038095), (45, 448030476), (54, 373358730), (60, 336022857), (62, 325183410), (81, 248905820), (90, 224015238), (93, 216788940), (108, 186679365), (124, 162591705), (135, 149343492), (155, 130073364), (162, 124452910), (180, 112007619), (186, 108394470), (270, 74671746), (279, 72262980), (310, 65036682), (324, 62226455), (372, 54197235), (405, 49781164), (465, 43357788), (540, 37335873), (558, 36131490), (593, 33998940), (620, 32518341), (677, 29780460), (810, 24890582), (837, 24087660), (930, 21678894), (1116, 18065745), (1186, 16999470), (1354, 14890230), (1395, 14452596), (1620, 12445291), (1674, 12043830), (1779, 11332980), (1860, 10839447), (2031, 9926820), (2372, 8499735), (2511, 8029220), (2708, 7445115), (2790, 7226298), (2965, 6799788), (3348, 6021915), (3385, 5956092), (3558, 5666490), (4062, 4963410), (4185, 4817532), (5022, 4014610), (5337, 3777660), (5580, 3613149), (5930, 3399894), (6093, 3308940), (6770, 2978046), (7116, 2833245), (8124, 2481705), (8370, 2408766), (8895, 2266596), (10044, 2007305), (10155, 1985364), (10674, 1888830), (11860, 1699947), (12186, 1654470), (12555, 1605844), (13540, 1489023), (16011, 1259220), (16740, 1204383), (17790, 1133298), (18279, 1102980), (18383, 1096740), (20310, 992682), (20987, 960660), (21348, 944415), (24372, 827235), (25110, 802922), (26685, 755532), (30465, 661788), (32022, 629610), (35580, 566649), (36558, 551490), (36766, 548370), (40620, 496341), (41974, 480330), (48033, 419740), (50220, 401461), (53370, 377766), (54837, 367660), (55149, 365580), (60930, 330894), (62961, 320220), (64044, 314805), (73116, 275745), (73532, 274185), (80055, 251844), (83948, 240165), (91395, 220596), (91915, 219348), (96066, 209870), (104935, 192132), (106740, 188883), (109674, 183830), (110298, 182790), (121860, 165447), (125922, 160110)]