77218920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23833}}^1$

素因数の和:23856

約数の個数: 80

約数和(自身を含む): 259552260

約数和(自身を除く): 182333340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 23833, 47666, 71499, 95332, 119165, 142998, 190664, 214497, 238330, 285996, 357495, 428994, 476660, 571992, 643491, 714990, 857988, 953320, 1072485, 1286982, 1429980, 1715976, 1930473, 2144970, 2573964, 2859960, 3217455, 3860946, 4289940, 5147928, 6434910, 7721892, 8579880, 9652365, 12869820, 15443784, 19304730, 25739640, 38609460, 77218920]

約数ペア:

[(1, 77218920), (2, 38609460), (3, 25739640), (4, 19304730), (5, 15443784), (6, 12869820), (8, 9652365), (9, 8579880), (10, 7721892), (12, 6434910), (15, 5147928), (18, 4289940), (20, 3860946), (24, 3217455), (27, 2859960), (30, 2573964), (36, 2144970), (40, 1930473), (45, 1715976), (54, 1429980), (60, 1286982), (72, 1072485), (81, 953320), (90, 857988), (108, 714990), (120, 643491), (135, 571992), (162, 476660), (180, 428994), (216, 357495), (270, 285996), (324, 238330), (360, 214497), (405, 190664), (540, 142998), (648, 119165), (810, 95332), (1080, 71499), (1620, 47666), (3240, 23833)]