12778620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 23418660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2393, 2670, 4786, 5340, 7179, 9572, 11965, 14358, 23930, 28716, 35895, 47860, 71790, 143580, 212977, 425954, 638931, 851908, 1064885, 1277862, 2129770, 2555724, 3194655, 4259540, 6389310, 12778620]

約数ペア:

[(1, 12778620), (2, 6389310), (3, 4259540), (4, 3194655), (5, 2555724), (6, 2129770), (10, 1277862), (12, 1064885), (15, 851908), (20, 638931), (30, 425954), (60, 212977), (89, 143580), (178, 71790), (267, 47860), (356, 35895), (445, 28716), (534, 23930), (890, 14358), (1068, 11965), (1335, 9572), (1780, 7179), (2393, 5340), (2670, 4786)]