16279377920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 288

約数和(自身を含む): 44243690400

約数和(自身を除く): 27964312480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 169, 184, 208, 230, 256, 260, 299, 320, 338, 368, 409, 416, 460, 512, 520, 598, 640, 676, 736, 818, 832, 845, 920, 1024, 1040, 1196, 1280, 1352, 1472, 1495, 1636, 1664, 1690, 1840, 2045, 2048, 2080, 2392, 2560, 2704, 2944, 2990, 3272, 3328, 3380, 3680, 3887, 4090, 4160, 4784, 5120, 5317, 5408, 5888, 5980, 6544, 6656, 6760, 7360, 7774, 8180, 8320, 9407, 9568, 10240, 10634, 10816, 11776, 11960, 13088, 13312, 13520, 14720, 15548, 16360, 16640, 18814, 19136, 19435, 21268, 21632, 23552, 23920, 26176, 26585, 26624, 27040, 29440, 31096, 32720, 33280, 37628, 38272, 38870, 42536, 43264, 47035, 47104, 47840, 52352, 53170, 54080, 58880, 62192, 65440, 66560, 69121, 75256, 76544, 77740, 85072, 86528, 94070, 95680, 104704, 106340, 108160, 117760, 122291, 124384, 130880, 133120, 138242, 150512, 153088, 155480, 170144, 173056, 188140, 191360, 209408, 212680, 216320, 235520, 244582, 248768, 261760, 276484, 301024, 306176, 310960, 340288, 345605, 346112, 376280, 382720, 418816, 425360, 432640, 489164, 497536, 523520, 552968, 602048, 611455, 612352, 621920, 680576, 691210, 752560, 765440, 837632, 850720, 865280, 978328, 995072, 1047040, 1105936, 1204096, 1222910, 1243840, 1361152, 1382420, 1505120, 1530880, 1589783, 1701440, 1730560, 1956656, 1990144, 2094080, 2211872, 2408192, 2445820, 2487680, 2722304, 2764840, 3010240, 3061760, 3179566, 3402880, 3913312, 3980288, 4188160, 4423744, 4816384, 4891640, 4975360, 5444608, 5529680, 6020480, 6359132, 6805760, 7826624, 7948915, 7960576, 8847488, 9632768, 9783280, 9950720, 10889216, 11059360, 12040960, 12718264, 13611520, 15653248, 15897830, 17694976, 19265536, 19566560, 19901440, 22118720, 24081920, 25436528, 27223040, 31306496, 31795660, 35389952, 39133120, 39802880, 44237440, 48163840, 50873056, 54446080, 62612992, 63591320, 70779904, 78266240, 88474880, 96327680, 101746112, 125225984, 127182640, 141559808, 156532480, 176949760, 203492224, 250451968, 254365280, 313064960, 353899520, 406984448, 508730560, 626129920, 707799040, 813968896, 1017461120, 1252259840, 1627937792, 2034922240, 3255875584, 4069844480, 8139688960, 16279377920]

約数ペア:

[(1, 16279377920), (2, 8139688960), (4, 4069844480), (5, 3255875584), (8, 2034922240), (10, 1627937792), (13, 1252259840), (16, 1017461120), (20, 813968896), (23, 707799040), (26, 626129920), (32, 508730560), (40, 406984448), (46, 353899520), (52, 313064960), (64, 254365280), (65, 250451968), (80, 203492224), (92, 176949760), (104, 156532480), (115, 141559808), (128, 127182640), (130, 125225984), (160, 101746112), (169, 96327680), (184, 88474880), (208, 78266240), (230, 70779904), (256, 63591320), (260, 62612992), (299, 54446080), (320, 50873056), (338, 48163840), (368, 44237440), (409, 39802880), (416, 39133120), (460, 35389952), (512, 31795660), (520, 31306496), (598, 27223040), (640, 25436528), (676, 24081920), (736, 22118720), (818, 19901440), (832, 19566560), (845, 19265536), (920, 17694976), (1024, 15897830), (1040, 15653248), (1196, 13611520), (1280, 12718264), (1352, 12040960), (1472, 11059360), (1495, 10889216), (1636, 9950720), (1664, 9783280), (1690, 9632768), (1840, 8847488), (2045, 7960576), (2048, 7948915), (2080, 7826624), (2392, 6805760), (2560, 6359132), (2704, 6020480), (2944, 5529680), (2990, 5444608), (3272, 4975360), (3328, 4891640), (3380, 4816384), (3680, 4423744), (3887, 4188160), (4090, 3980288), (4160, 3913312), (4784, 3402880), (5120, 3179566), (5317, 3061760), (5408, 3010240), (5888, 2764840), (5980, 2722304), (6544, 2487680), (6656, 2445820), (6760, 2408192), (7360, 2211872), (7774, 2094080), (8180, 1990144), (8320, 1956656), (9407, 1730560), (9568, 1701440), (10240, 1589783), (10634, 1530880), (10816, 1505120), (11776, 1382420), (11960, 1361152), (13088, 1243840), (13312, 1222910), (13520, 1204096), (14720, 1105936), (15548, 1047040), (16360, 995072), (16640, 978328), (18814, 865280), (19136, 850720), (19435, 837632), (21268, 765440), (21632, 752560), (23552, 691210), (23920, 680576), (26176, 621920), (26585, 612352), (26624, 611455), (27040, 602048), (29440, 552968), (31096, 523520), (32720, 497536), (33280, 489164), (37628, 432640), (38272, 425360), (38870, 418816), (42536, 382720), (43264, 376280), (47035, 346112), (47104, 345605), (47840, 340288), (52352, 310960), (53170, 306176), (54080, 301024), (58880, 276484), (62192, 261760), (65440, 248768), (66560, 244582), (69121, 235520), (75256, 216320), (76544, 212680), (77740, 209408), (85072, 191360), (86528, 188140), (94070, 173056), (95680, 170144), (104704, 155480), (106340, 153088), (108160, 150512), (117760, 138242), (122291, 133120), (124384, 130880)]