20090428020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2161}}^1$

素因数の和:2355

約数の個数: 288

約数和(自身を含む): 68418997920

約数和(自身を除く): 48328569900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 137, 145, 156, 174, 180, 195, 234, 260, 261, 274, 290, 348, 377, 390, 411, 435, 468, 522, 548, 580, 585, 685, 754, 780, 822, 870, 1044, 1131, 1170, 1233, 1305, 1370, 1508, 1644, 1740, 1781, 1885, 2055, 2161, 2262, 2340, 2466, 2610, 2740, 3393, 3562, 3770, 3973, 4110, 4322, 4524, 4932, 5220, 5343, 5655, 6165, 6483, 6786, 7124, 7540, 7946, 8220, 8644, 8905, 10686, 10805, 11310, 11919, 12330, 12966, 13572, 15892, 16029, 16965, 17810, 19449, 19865, 21372, 21610, 22620, 23838, 24660, 25932, 26715, 28093, 32058, 32415, 33930, 35620, 35757, 38898, 39730, 43220, 47676, 51649, 53430, 56186, 59595, 62669, 64116, 64830, 67860, 71514, 77796, 79460, 80145, 84279, 97245, 103298, 106860, 112372, 119190, 125338, 129660, 140465, 143028, 154947, 160290, 168558, 178785, 188007, 194490, 206596, 238380, 250676, 252837, 258245, 280930, 296057, 309894, 313345, 320580, 337116, 357570, 376014, 388980, 421395, 464841, 505674, 516490, 561860, 564021, 592114, 619788, 626690, 715140, 752028, 774735, 814697, 842790, 888171, 929682, 940035, 1011348, 1032980, 1128042, 1184228, 1253380, 1264185, 1480285, 1549470, 1629394, 1685580, 1776342, 1859364, 1880070, 2256084, 2324205, 2444091, 2528370, 2664513, 2820105, 2960570, 3098940, 3258788, 3552684, 3760140, 3848741, 4073485, 4440855, 4648410, 4888182, 5056740, 5329026, 5640210, 5921140, 7332273, 7697482, 8146970, 8585653, 8881710, 9296820, 9776364, 10658052, 11280420, 11546223, 12220455, 13322565, 14664546, 15394964, 16293940, 17171306, 17763420, 19243705, 23092446, 24440910, 25756959, 26645130, 29329092, 34342612, 34638669, 36661365, 38487410, 42928265, 46184892, 48881820, 51513918, 53290260, 57731115, 69277338, 73322730, 76974820, 77270877, 85856530, 103027836, 111613489, 115462230, 128784795, 138554676, 146645460, 154541754, 171713060, 173193345, 223226978, 230924460, 257569590, 309083508, 334840467, 346386690, 386354385, 446453956, 515139180, 558067445, 669680934, 692773380, 772708770, 1004521401, 1116134890, 1339361868, 1545417540, 1674202335, 2009042802, 2232269780, 3348404670, 4018085604, 5022607005, 6696809340, 10045214010, 20090428020]

約数ペア:

[(1, 20090428020), (2, 10045214010), (3, 6696809340), (4, 5022607005), (5, 4018085604), (6, 3348404670), (9, 2232269780), (10, 2009042802), (12, 1674202335), (13, 1545417540), (15, 1339361868), (18, 1116134890), (20, 1004521401), (26, 772708770), (29, 692773380), (30, 669680934), (36, 558067445), (39, 515139180), (45, 446453956), (52, 386354385), (58, 346386690), (60, 334840467), (65, 309083508), (78, 257569590), (87, 230924460), (90, 223226978), (116, 173193345), (117, 171713060), (130, 154541754), (137, 146645460), (145, 138554676), (156, 128784795), (174, 115462230), (180, 111613489), (195, 103027836), (234, 85856530), (260, 77270877), (261, 76974820), (274, 73322730), (290, 69277338), (348, 57731115), (377, 53290260), (390, 51513918), (411, 48881820), (435, 46184892), (468, 42928265), (522, 38487410), (548, 36661365), (580, 34638669), (585, 34342612), (685, 29329092), (754, 26645130), (780, 25756959), (822, 24440910), (870, 23092446), (1044, 19243705), (1131, 17763420), (1170, 17171306), (1233, 16293940), (1305, 15394964), (1370, 14664546), (1508, 13322565), (1644, 12220455), (1740, 11546223), (1781, 11280420), (1885, 10658052), (2055, 9776364), (2161, 9296820), (2262, 8881710), (2340, 8585653), (2466, 8146970), (2610, 7697482), (2740, 7332273), (3393, 5921140), (3562, 5640210), (3770, 5329026), (3973, 5056740), (4110, 4888182), (4322, 4648410), (4524, 4440855), (4932, 4073485), (5220, 3848741), (5343, 3760140), (5655, 3552684), (6165, 3258788), (6483, 3098940), (6786, 2960570), (7124, 2820105), (7540, 2664513), (7946, 2528370), (8220, 2444091), (8644, 2324205), (8905, 2256084), (10686, 1880070), (10805, 1859364), (11310, 1776342), (11919, 1685580), (12330, 1629394), (12966, 1549470), (13572, 1480285), (15892, 1264185), (16029, 1253380), (16965, 1184228), (17810, 1128042), (19449, 1032980), (19865, 1011348), (21372, 940035), (21610, 929682), (22620, 888171), (23838, 842790), (24660, 814697), (25932, 774735), (26715, 752028), (28093, 715140), (32058, 626690), (32415, 619788), (33930, 592114), (35620, 564021), (35757, 561860), (38898, 516490), (39730, 505674), (43220, 464841), (47676, 421395), (51649, 388980), (53430, 376014), (56186, 357570), (59595, 337116), (62669, 320580), (64116, 313345), (64830, 309894), (67860, 296057), (71514, 280930), (77796, 258245), (79460, 252837), (80145, 250676), (84279, 238380), (97245, 206596), (103298, 194490), (106860, 188007), (112372, 178785), (119190, 168558), (125338, 160290), (129660, 154947), (140465, 143028)]