28915110

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{15299}}^1$

素因数の和:15322

約数の個数: 64

約数和(自身を含む): 88128000

約数和(自身を除く): 59212890

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, 15299, 30598, 45897, 76495, 91794, 107093, 137691, 152990, 214186, 229485, 275382, 321279, 413073, 458970, 535465, 642558, 688455, 826146, 963837, 1070930, 1376910, 1606395, 1927674, 2065365, 2891511, 3212790, 4130730, 4819185, 5783022, 9638370, 14457555, 28915110]

約数ペア:

[(1, 28915110), (2, 14457555), (3, 9638370), (5, 5783022), (6, 4819185), (7, 4130730), (9, 3212790), (10, 2891511), (14, 2065365), (15, 1927674), (18, 1606395), (21, 1376910), (27, 1070930), (30, 963837), (35, 826146), (42, 688455), (45, 642558), (54, 535465), (63, 458970), (70, 413073), (90, 321279), (105, 275382), (126, 229485), (135, 214186), (189, 152990), (210, 137691), (270, 107093), (315, 91794), (378, 76495), (630, 45897), (945, 30598), (1890, 15299)]