77671980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8496

約数の個数: 96

約数和(自身を含む): 255890880

約数和(自身を除く): 178218900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 4590, 8461, 9180, 16922, 25383, 33844, 42305, 50766, 76149, 84610, 101532, 126915, 143837, 152298, 169220, 228447, 253830, 287674, 304596, 380745, 431511, 456894, 507660, 575348, 719185, 761490, 863022, 913788, 1142235, 1294533, 1438370, 1522980, 1726044, 2157555, 2284470, 2589066, 2876740, 3883599, 4315110, 4568940, 5178132, 6472665, 7767198, 8630220, 12945330, 15534396, 19417995, 25890660, 38835990, 77671980]

約数ペア:

[(1, 77671980), (2, 38835990), (3, 25890660), (4, 19417995), (5, 15534396), (6, 12945330), (9, 8630220), (10, 7767198), (12, 6472665), (15, 5178132), (17, 4568940), (18, 4315110), (20, 3883599), (27, 2876740), (30, 2589066), (34, 2284470), (36, 2157555), (45, 1726044), (51, 1522980), (54, 1438370), (60, 1294533), (68, 1142235), (85, 913788), (90, 863022), (102, 761490), (108, 719185), (135, 575348), (153, 507660), (170, 456894), (180, 431511), (204, 380745), (255, 304596), (270, 287674), (306, 253830), (340, 228447), (459, 169220), (510, 152298), (540, 143837), (612, 126915), (765, 101532), (918, 84610), (1020, 76149), (1530, 50766), (1836, 42305), (2295, 33844), (3060, 25383), (4590, 16922), (8461, 9180)]