80276280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 277102080

約数和(自身を除く): 196825800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 421, 454, 681, 840, 842, 908, 1135, 1263, 1362, 1589, 1684, 1816, 2105, 2270, 2526, 2724, 2947, 3178, 3368, 3405, 4210, 4540, 4767, 5052, 5448, 5894, 6315, 6356, 6810, 7945, 8420, 8841, 9080, 9534, 10104, 11788, 12630, 12712, 13620, 14735, 15890, 16840, 17682, 19068, 23576, 23835, 25260, 27240, 29470, 31780, 35364, 38136, 44205, 47670, 50520, 58940, 63560, 70728, 88410, 95340, 95567, 117880, 176820, 190680, 191134, 286701, 353640, 382268, 477835, 573402, 668969, 764536, 955670, 1146804, 1337938, 1433505, 1911340, 2006907, 2293608, 2675876, 2867010, 3344845, 3822680, 4013814, 5351752, 5734020, 6689690, 8027628, 10034535, 11468040, 13379380, 16055256, 20069070, 26758760, 40138140, 80276280]

約数ペア:

[(1, 80276280), (2, 40138140), (3, 26758760), (4, 20069070), (5, 16055256), (6, 13379380), (7, 11468040), (8, 10034535), (10, 8027628), (12, 6689690), (14, 5734020), (15, 5351752), (20, 4013814), (21, 3822680), (24, 3344845), (28, 2867010), (30, 2675876), (35, 2293608), (40, 2006907), (42, 1911340), (56, 1433505), (60, 1337938), (70, 1146804), (84, 955670), (105, 764536), (120, 668969), (140, 573402), (168, 477835), (210, 382268), (227, 353640), (280, 286701), (420, 191134), (421, 190680), (454, 176820), (681, 117880), (840, 95567), (842, 95340), (908, 88410), (1135, 70728), (1263, 63560), (1362, 58940), (1589, 50520), (1684, 47670), (1816, 44205), (2105, 38136), (2270, 35364), (2526, 31780), (2724, 29470), (2947, 27240), (3178, 25260), (3368, 23835), (3405, 23576), (4210, 19068), (4540, 17682), (4767, 16840), (5052, 15890), (5448, 14735), (5894, 13620), (6315, 12712), (6356, 12630), (6810, 11788), (7945, 10104), (8420, 9534), (8841, 9080)]