66707680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2467}}^1$

素因数の和:2508

約数の個数: 72

約数和(自身を含む): 170721432

約数和(自身を除く): 104013752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2467, 2704, 3380, 4934, 5408, 6760, 9868, 12335, 13520, 19736, 24670, 27040, 32071, 39472, 49340, 64142, 78944, 98680, 128284, 160355, 197360, 256568, 320710, 394720, 416923, 513136, 641420, 833846, 1026272, 1282840, 1667692, 2084615, 2565680, 3335384, 4169230, 5131360, 6670768, 8338460, 13341536, 16676920, 33353840, 66707680]

約数ペア:

[(1, 66707680), (2, 33353840), (4, 16676920), (5, 13341536), (8, 8338460), (10, 6670768), (13, 5131360), (16, 4169230), (20, 3335384), (26, 2565680), (32, 2084615), (40, 1667692), (52, 1282840), (65, 1026272), (80, 833846), (104, 641420), (130, 513136), (160, 416923), (169, 394720), (208, 320710), (260, 256568), (338, 197360), (416, 160355), (520, 128284), (676, 98680), (845, 78944), (1040, 64142), (1352, 49340), (1690, 39472), (2080, 32071), (2467, 27040), (2704, 24670), (3380, 19736), (4934, 13520), (5408, 12335), (6760, 9868)]