81604530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43177}}^1$

素因数の和:43200

約数の個数: 64

約数和(自身を含む): 248705280

約数和(自身を除く): 167100750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 43177, 86354, 129531, 215885, 259062, 302239, 388593, 431770, 604478, 647655, 777186, 906717, 1165779, 1295310, 1511195, 1813434, 1942965, 2331558, 2720151, 3022390, 3885930, 4533585, 5440302, 5828895, 8160453, 9067170, 11657790, 13600755, 16320906, 27201510, 40802265, 81604530]

約数ペア:

[(1, 81604530), (2, 40802265), (3, 27201510), (5, 16320906), (6, 13600755), (7, 11657790), (9, 9067170), (10, 8160453), (14, 5828895), (15, 5440302), (18, 4533585), (21, 3885930), (27, 3022390), (30, 2720151), (35, 2331558), (42, 1942965), (45, 1813434), (54, 1511195), (63, 1295310), (70, 1165779), (90, 906717), (105, 777186), (126, 647655), (135, 604478), (189, 431770), (210, 388593), (270, 302239), (315, 259062), (378, 215885), (630, 129531), (945, 86354), (1890, 43177)]