21262525440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8191}}^1$

素因数の和:8245

約数の個数: 264

約数和(自身を含む): 73649553408

約数和(自身を除く): 52387027968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 480, 507, 512, 520, 624, 640, 676, 768, 780, 832, 845, 960, 1014, 1024, 1040, 1248, 1280, 1352, 1536, 1560, 1664, 1690, 1920, 2028, 2080, 2496, 2535, 2560, 2704, 3072, 3120, 3328, 3380, 3840, 4056, 4160, 4992, 5070, 5120, 5408, 6240, 6656, 6760, 7680, 8112, 8191, 8320, 9984, 10140, 10816, 12480, 13312, 13520, 15360, 16224, 16382, 16640, 19968, 20280, 21632, 24573, 24960, 27040, 32448, 32764, 33280, 39936, 40560, 40955, 43264, 49146, 49920, 54080, 64896, 65528, 66560, 81120, 81910, 86528, 98292, 99840, 106483, 108160, 122865, 129792, 131056, 162240, 163820, 173056, 196584, 199680, 212966, 216320, 245730, 259584, 262112, 319449, 324480, 327640, 393168, 425932, 432640, 491460, 519168, 524224, 532415, 638898, 648960, 655280, 786336, 851864, 865280, 982920, 1048448, 1064830, 1277796, 1297920, 1310560, 1384279, 1572672, 1597245, 1703728, 1965840, 2096896, 2129660, 2555592, 2595840, 2621120, 2768558, 3145344, 3194490, 3407456, 3931680, 4152837, 4193792, 4259320, 5111184, 5242240, 5537116, 6290688, 6388980, 6814912, 6921395, 7863360, 8305674, 8387584, 8518640, 10222368, 10484480, 11074232, 12581376, 12777960, 13629824, 13842790, 15726720, 16611348, 17037280, 20444736, 20764185, 20968960, 22148464, 25162752, 25555920, 27259648, 27685580, 31453440, 33222696, 34074560, 40889472, 41528370, 41937920, 44296928, 51111840, 54519296, 55371160, 62906880, 66445392, 68149120, 81778944, 83056740, 88593856, 102223680, 109038592, 110742320, 125813760, 132890784, 136298240, 163557888, 166113480, 177187712, 204447360, 221484640, 265781568, 272596480, 327115776, 332226960, 354375424, 408894720, 442969280, 531563136, 545192960, 664453920, 708750848, 817789440, 885938560, 1063126272, 1328907840, 1417501696, 1635578880, 1771877120, 2126252544, 2657815680, 3543754240, 4252505088, 5315631360, 7087508480, 10631262720, 21262525440]

約数ペア:

[(1, 21262525440), (2, 10631262720), (3, 7087508480), (4, 5315631360), (5, 4252505088), (6, 3543754240), (8, 2657815680), (10, 2126252544), (12, 1771877120), (13, 1635578880), (15, 1417501696), (16, 1328907840), (20, 1063126272), (24, 885938560), (26, 817789440), (30, 708750848), (32, 664453920), (39, 545192960), (40, 531563136), (48, 442969280), (52, 408894720), (60, 354375424), (64, 332226960), (65, 327115776), (78, 272596480), (80, 265781568), (96, 221484640), (104, 204447360), (120, 177187712), (128, 166113480), (130, 163557888), (156, 136298240), (160, 132890784), (169, 125813760), (192, 110742320), (195, 109038592), (208, 102223680), (240, 88593856), (256, 83056740), (260, 81778944), (312, 68149120), (320, 66445392), (338, 62906880), (384, 55371160), (390, 54519296), (416, 51111840), (480, 44296928), (507, 41937920), (512, 41528370), (520, 40889472), (624, 34074560), (640, 33222696), (676, 31453440), (768, 27685580), (780, 27259648), (832, 25555920), (845, 25162752), (960, 22148464), (1014, 20968960), (1024, 20764185), (1040, 20444736), (1248, 17037280), (1280, 16611348), (1352, 15726720), (1536, 13842790), (1560, 13629824), (1664, 12777960), (1690, 12581376), (1920, 11074232), (2028, 10484480), (2080, 10222368), (2496, 8518640), (2535, 8387584), (2560, 8305674), (2704, 7863360), (3072, 6921395), (3120, 6814912), (3328, 6388980), (3380, 6290688), (3840, 5537116), (4056, 5242240), (4160, 5111184), (4992, 4259320), (5070, 4193792), (5120, 4152837), (5408, 3931680), (6240, 3407456), (6656, 3194490), (6760, 3145344), (7680, 2768558), (8112, 2621120), (8191, 2595840), (8320, 2555592), (9984, 2129660), (10140, 2096896), (10816, 1965840), (12480, 1703728), (13312, 1597245), (13520, 1572672), (15360, 1384279), (16224, 1310560), (16382, 1297920), (16640, 1277796), (19968, 1064830), (20280, 1048448), (21632, 982920), (24573, 865280), (24960, 851864), (27040, 786336), (32448, 655280), (32764, 648960), (33280, 638898), (39936, 532415), (40560, 524224), (40955, 519168), (43264, 491460), (49146, 432640), (49920, 425932), (54080, 393168), (64896, 327640), (65528, 324480), (66560, 319449), (81120, 262112), (81910, 259584), (86528, 245730), (98292, 216320), (99840, 212966), (106483, 199680), (108160, 196584), (122865, 173056), (129792, 163820), (131056, 162240)]