87480820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{743}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 217736064

約数和(自身を除く): 130255244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 743, 812, 841, 1015, 1486, 1682, 2030, 2972, 3364, 3715, 4060, 4205, 5201, 5887, 7430, 8410, 10402, 11774, 14860, 16820, 20804, 21547, 23548, 26005, 29435, 43094, 52010, 58870, 86188, 104020, 107735, 117740, 150829, 215470, 301658, 430940, 603316, 624863, 754145, 1249726, 1508290, 2499452, 3016580, 3124315, 4374041, 6248630, 8748082, 12497260, 17496164, 21870205, 43740410, 87480820]

約数ペア:

[(1, 87480820), (2, 43740410), (4, 21870205), (5, 17496164), (7, 12497260), (10, 8748082), (14, 6248630), (20, 4374041), (28, 3124315), (29, 3016580), (35, 2499452), (58, 1508290), (70, 1249726), (116, 754145), (140, 624863), (145, 603316), (203, 430940), (290, 301658), (406, 215470), (580, 150829), (743, 117740), (812, 107735), (841, 104020), (1015, 86188), (1486, 58870), (1682, 52010), (2030, 43094), (2972, 29435), (3364, 26005), (3715, 23548), (4060, 21547), (4205, 20804), (5201, 16820), (5887, 14860), (7430, 11774), (8410, 10402)]