91287040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 120

約数和(自身を含む): 238129848

約数和(自身を除く): 146842808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 211, 256, 260, 320, 338, 416, 422, 512, 520, 640, 676, 832, 844, 845, 1040, 1055, 1280, 1352, 1664, 1688, 1690, 2080, 2110, 2560, 2704, 2743, 3328, 3376, 3380, 4160, 4220, 5408, 5486, 6656, 6752, 6760, 8320, 8440, 10816, 10972, 13504, 13520, 13715, 16640, 16880, 21632, 21944, 27008, 27040, 27430, 33280, 33760, 35659, 43264, 43888, 54016, 54080, 54860, 67520, 71318, 86528, 87776, 108032, 108160, 109720, 135040, 142636, 175552, 178295, 216320, 219440, 270080, 285272, 351104, 356590, 432640, 438880, 540160, 570544, 702208, 713180, 877760, 1141088, 1404416, 1426360, 1755520, 2282176, 2852720, 3511040, 4564352, 5705440, 7022080, 9128704, 11410880, 18257408, 22821760, 45643520, 91287040]

約数ペア:

[(1, 91287040), (2, 45643520), (4, 22821760), (5, 18257408), (8, 11410880), (10, 9128704), (13, 7022080), (16, 5705440), (20, 4564352), (26, 3511040), (32, 2852720), (40, 2282176), (52, 1755520), (64, 1426360), (65, 1404416), (80, 1141088), (104, 877760), (128, 713180), (130, 702208), (160, 570544), (169, 540160), (208, 438880), (211, 432640), (256, 356590), (260, 351104), (320, 285272), (338, 270080), (416, 219440), (422, 216320), (512, 178295), (520, 175552), (640, 142636), (676, 135040), (832, 109720), (844, 108160), (845, 108032), (1040, 87776), (1055, 86528), (1280, 71318), (1352, 67520), (1664, 54860), (1688, 54080), (1690, 54016), (2080, 43888), (2110, 43264), (2560, 35659), (2704, 33760), (2743, 33280), (3328, 27430), (3376, 27040), (3380, 27008), (4160, 21944), (4220, 21632), (5408, 16880), (5486, 16640), (6656, 13715), (6752, 13520), (6760, 13504), (8320, 10972), (8440, 10816)]