1188711680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71437}}^1$

素因数の和:71471

約数の個数: 72

約数和(自身を含む): 3066404712

約数和(自身を除く): 1877693032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 71437, 142874, 285748, 357185, 571496, 714370, 928681, 1142992, 1428740, 1857362, 2285984, 2857480, 3714724, 4571968, 4643405, 5714960, 7429448, 9143936, 9286810, 11429920, 14858896, 18287872, 18573620, 22859840, 29717792, 37147240, 45719680, 59435584, 74294480, 91439360, 118871168, 148588960, 237742336, 297177920, 594355840, 1188711680]

約数ペア:

[(1, 1188711680), (2, 594355840), (4, 297177920), (5, 237742336), (8, 148588960), (10, 118871168), (13, 91439360), (16, 74294480), (20, 59435584), (26, 45719680), (32, 37147240), (40, 29717792), (52, 22859840), (64, 18573620), (65, 18287872), (80, 14858896), (104, 11429920), (128, 9286810), (130, 9143936), (160, 7429448), (208, 5714960), (256, 4643405), (260, 4571968), (320, 3714724), (416, 2857480), (520, 2285984), (640, 1857362), (832, 1428740), (1040, 1142992), (1280, 928681), (1664, 714370), (2080, 571496), (3328, 357185), (4160, 285748), (8320, 142874), (16640, 71437)]