80362880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{743}}^1$

素因数の和:788

約数の個数: 96

約数和(自身を含む): 208312560

約数和(自身を除く): 127949680

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, 260, 320, 338, 416, 520, 640, 676, 743, 832, 845, 1040, 1352, 1486, 1664, 1690, 2080, 2704, 2972, 3380, 3715, 4160, 5408, 5944, 6760, 7430, 8320, 9659, 10816, 11888, 13520, 14860, 19318, 21632, 23776, 27040, 29720, 38636, 47552, 48295, 54080, 59440, 77272, 95104, 96590, 108160, 118880, 125567, 154544, 193180, 237760, 251134, 309088, 386360, 475520, 502268, 618176, 627835, 772720, 1004536, 1236352, 1255670, 1545440, 2009072, 2511340, 3090880, 4018144, 5022680, 6181760, 8036288, 10045360, 16072576, 20090720, 40181440, 80362880]

約数ペア:

[(1, 80362880), (2, 40181440), (4, 20090720), (5, 16072576), (8, 10045360), (10, 8036288), (13, 6181760), (16, 5022680), (20, 4018144), (26, 3090880), (32, 2511340), (40, 2009072), (52, 1545440), (64, 1255670), (65, 1236352), (80, 1004536), (104, 772720), (128, 627835), (130, 618176), (160, 502268), (169, 475520), (208, 386360), (260, 309088), (320, 251134), (338, 237760), (416, 193180), (520, 154544), (640, 125567), (676, 118880), (743, 108160), (832, 96590), (845, 95104), (1040, 77272), (1352, 59440), (1486, 54080), (1664, 48295), (1690, 47552), (2080, 38636), (2704, 29720), (2972, 27040), (3380, 23776), (3715, 21632), (4160, 19318), (5408, 14860), (5944, 13520), (6760, 11888), (7430, 10816), (8320, 9659)]