16687980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1117}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 51275952

約数和(自身を除く): 34587972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1117, 1245, 1494, 1660, 2234, 2490, 2988, 3351, 3735, 4468, 4980, 5585, 6702, 7470, 10053, 11170, 13404, 14940, 16755, 20106, 22340, 33510, 40212, 50265, 67020, 92711, 100530, 185422, 201060, 278133, 370844, 463555, 556266, 834399, 927110, 1112532, 1390665, 1668798, 1854220, 2781330, 3337596, 4171995, 5562660, 8343990, 16687980]

約数ペア:

[(1, 16687980), (2, 8343990), (3, 5562660), (4, 4171995), (5, 3337596), (6, 2781330), (9, 1854220), (10, 1668798), (12, 1390665), (15, 1112532), (18, 927110), (20, 834399), (30, 556266), (36, 463555), (45, 370844), (60, 278133), (83, 201060), (90, 185422), (166, 100530), (180, 92711), (249, 67020), (332, 50265), (415, 40212), (498, 33510), (747, 22340), (830, 20106), (996, 16755), (1117, 14940), (1245, 13404), (1494, 11170), (1660, 10053), (2234, 7470), (2490, 6702), (2988, 5585), (3351, 4980), (3735, 4468)]