131728140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 444326400

約数和(自身を除く): 312598260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 90, 95, 108, 111, 114, 135, 148, 171, 180, 185, 190, 222, 228, 270, 285, 333, 342, 347, 370, 380, 444, 513, 540, 555, 570, 666, 684, 694, 703, 740, 855, 999, 1026, 1041, 1110, 1140, 1332, 1388, 1406, 1665, 1710, 1735, 1998, 2052, 2082, 2109, 2220, 2565, 2812, 3123, 3330, 3420, 3470, 3515, 3996, 4164, 4218, 4995, 5130, 5205, 6246, 6327, 6593, 6660, 6940, 7030, 8436, 9369, 9990, 10260, 10410, 10545, 12492, 12654, 12839, 13186, 14060, 15615, 18738, 18981, 19779, 19980, 20820, 21090, 25308, 25678, 26372, 31230, 31635, 32965, 37476, 37962, 38517, 39558, 42180, 46845, 51356, 59337, 62460, 63270, 64195, 65930, 75924, 77034, 79116, 93690, 94905, 98895, 115551, 118674, 126540, 128390, 131860, 154068, 178011, 187380, 189810, 192585, 197790, 231102, 237348, 243941, 256780, 296685, 346653, 356022, 379620, 385170, 395580, 462204, 487882, 577755, 593370, 693306, 712044, 731823, 770340, 890055, 975764, 1155510, 1186740, 1219705, 1386612, 1463646, 1733265, 1780110, 2195469, 2311020, 2439410, 2927292, 3466530, 3560220, 3659115, 4390938, 4878820, 6586407, 6933060, 7318230, 8781876, 10977345, 13172814, 14636460, 21954690, 26345628, 32932035, 43909380, 65864070, 131728140]

約数ペア:

[(1, 131728140), (2, 65864070), (3, 43909380), (4, 32932035), (5, 26345628), (6, 21954690), (9, 14636460), (10, 13172814), (12, 10977345), (15, 8781876), (18, 7318230), (19, 6933060), (20, 6586407), (27, 4878820), (30, 4390938), (36, 3659115), (37, 3560220), (38, 3466530), (45, 2927292), (54, 2439410), (57, 2311020), (60, 2195469), (74, 1780110), (76, 1733265), (90, 1463646), (95, 1386612), (108, 1219705), (111, 1186740), (114, 1155510), (135, 975764), (148, 890055), (171, 770340), (180, 731823), (185, 712044), (190, 693306), (222, 593370), (228, 577755), (270, 487882), (285, 462204), (333, 395580), (342, 385170), (347, 379620), (370, 356022), (380, 346653), (444, 296685), (513, 256780), (540, 243941), (555, 237348), (570, 231102), (666, 197790), (684, 192585), (694, 189810), (703, 187380), (740, 178011), (855, 154068), (999, 131860), (1026, 128390), (1041, 126540), (1110, 118674), (1140, 115551), (1332, 98895), (1388, 94905), (1406, 93690), (1665, 79116), (1710, 77034), (1735, 75924), (1998, 65930), (2052, 64195), (2082, 63270), (2109, 62460), (2220, 59337), (2565, 51356), (2812, 46845), (3123, 42180), (3330, 39558), (3420, 38517), (3470, 37962), (3515, 37476), (3996, 32965), (4164, 31635), (4218, 31230), (4995, 26372), (5130, 25678), (5205, 25308), (6246, 21090), (6327, 20820), (6593, 19980), (6660, 19779), (6940, 18981), (7030, 18738), (8436, 15615), (9369, 14060), (9990, 13186), (10260, 12839), (10410, 12654), (10545, 12492)]