78809920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 216822528

約数和(自身を除く): 138012608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 151, 160, 224, 233, 280, 302, 320, 448, 466, 560, 604, 755, 932, 1057, 1120, 1165, 1208, 1510, 1631, 1864, 2114, 2240, 2330, 2416, 3020, 3262, 3728, 4228, 4660, 4832, 5285, 6040, 6524, 7456, 8155, 8456, 9320, 9664, 10570, 12080, 13048, 14912, 16310, 16912, 18640, 21140, 24160, 26096, 32620, 33824, 35183, 37280, 42280, 48320, 52192, 65240, 67648, 70366, 74560, 84560, 104384, 130480, 140732, 169120, 175915, 246281, 260960, 281464, 338240, 351830, 492562, 521920, 562928, 703660, 985124, 1125856, 1231405, 1407320, 1970248, 2251712, 2462810, 2814640, 3940496, 4925620, 5629280, 7880992, 9851240, 11258560, 15761984, 19702480, 39404960, 78809920]

約数ペア:

[(1, 78809920), (2, 39404960), (4, 19702480), (5, 15761984), (7, 11258560), (8, 9851240), (10, 7880992), (14, 5629280), (16, 4925620), (20, 3940496), (28, 2814640), (32, 2462810), (35, 2251712), (40, 1970248), (56, 1407320), (64, 1231405), (70, 1125856), (80, 985124), (112, 703660), (140, 562928), (151, 521920), (160, 492562), (224, 351830), (233, 338240), (280, 281464), (302, 260960), (320, 246281), (448, 175915), (466, 169120), (560, 140732), (604, 130480), (755, 104384), (932, 84560), (1057, 74560), (1120, 70366), (1165, 67648), (1208, 65240), (1510, 52192), (1631, 48320), (1864, 42280), (2114, 37280), (2240, 35183), (2330, 33824), (2416, 32620), (3020, 26096), (3262, 24160), (3728, 21140), (4228, 18640), (4660, 16912), (4832, 16310), (5285, 14912), (6040, 13048), (6524, 12080), (7456, 10570), (8155, 9664), (8456, 9320)]