7922720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 20337156

約数和(自身を除く): 12414436

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 293, 338, 416, 520, 586, 676, 845, 1040, 1172, 1352, 1465, 1690, 2080, 2344, 2704, 2930, 3380, 3809, 4688, 5408, 5860, 6760, 7618, 9376, 11720, 13520, 15236, 19045, 23440, 27040, 30472, 38090, 46880, 49517, 60944, 76180, 99034, 121888, 152360, 198068, 247585, 304720, 396136, 495170, 609440, 792272, 990340, 1584544, 1980680, 3961360, 7922720]

約数ペア:

[(1, 7922720), (2, 3961360), (4, 1980680), (5, 1584544), (8, 990340), (10, 792272), (13, 609440), (16, 495170), (20, 396136), (26, 304720), (32, 247585), (40, 198068), (52, 152360), (65, 121888), (80, 99034), (104, 76180), (130, 60944), (160, 49517), (169, 46880), (208, 38090), (260, 30472), (293, 27040), (338, 23440), (416, 19045), (520, 15236), (586, 13520), (676, 11720), (845, 9376), (1040, 7618), (1172, 6760), (1352, 5860), (1465, 5408), (1690, 4688), (2080, 3809), (2344, 3380), (2704, 2930)]