1272843520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76493}}^1$

素因数の和:76527

約数の個数: 72

約数和(自身を含む): 3283428456

約数和(自身を除く): 2010584936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 76493, 152986, 305972, 382465, 611944, 764930, 994409, 1223888, 1529860, 1988818, 2447776, 3059720, 3977636, 4895552, 4972045, 6119440, 7955272, 9791104, 9944090, 12238880, 15910544, 19582208, 19888180, 24477760, 31821088, 39776360, 48955520, 63642176, 79552720, 97911040, 127284352, 159105440, 254568704, 318210880, 636421760, 1272843520]

約数ペア:

[(1, 1272843520), (2, 636421760), (4, 318210880), (5, 254568704), (8, 159105440), (10, 127284352), (13, 97911040), (16, 79552720), (20, 63642176), (26, 48955520), (32, 39776360), (40, 31821088), (52, 24477760), (64, 19888180), (65, 19582208), (80, 15910544), (104, 12238880), (128, 9944090), (130, 9791104), (160, 7955272), (208, 6119440), (256, 4972045), (260, 4895552), (320, 3977636), (416, 3059720), (520, 2447776), (640, 1988818), (832, 1529860), (1040, 1223888), (1280, 994409), (1664, 764930), (2080, 611944), (3328, 382465), (4160, 305972), (8320, 152986), (16640, 76493)]