77181930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 238210560

約数和(自身を除く): 161028630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 97, 105, 126, 135, 189, 194, 210, 270, 291, 315, 378, 421, 485, 582, 630, 679, 842, 873, 945, 970, 1263, 1358, 1455, 1746, 1890, 2037, 2105, 2526, 2619, 2910, 2947, 3395, 3789, 4074, 4210, 4365, 5238, 5894, 6111, 6315, 6790, 7578, 8730, 8841, 10185, 11367, 12222, 12630, 13095, 14735, 17682, 18333, 18945, 20370, 22734, 26190, 26523, 29470, 30555, 36666, 37890, 40837, 44205, 53046, 56835, 61110, 79569, 81674, 88410, 91665, 113670, 122511, 132615, 159138, 183330, 204185, 245022, 265230, 285859, 367533, 397845, 408370, 571718, 612555, 735066, 795690, 857577, 1102599, 1225110, 1429295, 1715154, 1837665, 2205198, 2572731, 2858590, 3675330, 4287885, 5145462, 5512995, 7718193, 8575770, 11025990, 12863655, 15436386, 25727310, 38590965, 77181930]

約数ペア:

[(1, 77181930), (2, 38590965), (3, 25727310), (5, 15436386), (6, 12863655), (7, 11025990), (9, 8575770), (10, 7718193), (14, 5512995), (15, 5145462), (18, 4287885), (21, 3675330), (27, 2858590), (30, 2572731), (35, 2205198), (42, 1837665), (45, 1715154), (54, 1429295), (63, 1225110), (70, 1102599), (90, 857577), (97, 795690), (105, 735066), (126, 612555), (135, 571718), (189, 408370), (194, 397845), (210, 367533), (270, 285859), (291, 265230), (315, 245022), (378, 204185), (421, 183330), (485, 159138), (582, 132615), (630, 122511), (679, 113670), (842, 91665), (873, 88410), (945, 81674), (970, 79569), (1263, 61110), (1358, 56835), (1455, 53046), (1746, 44205), (1890, 40837), (2037, 37890), (2105, 36666), (2526, 30555), (2619, 29470), (2910, 26523), (2947, 26190), (3395, 22734), (3789, 20370), (4074, 18945), (4210, 18333), (4365, 17682), (5238, 14735), (5894, 13095), (6111, 12630), (6315, 12222), (6790, 11367), (7578, 10185), (8730, 8841)]