51030420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{121501}}^1$

素因数の和:121520

約数の個数: 48

約数和(自身を含む): 163298688

約数和(自身を除く): 112268268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 121501, 243002, 364503, 486004, 607505, 729006, 850507, 1215010, 1458012, 1701014, 1822515, 2430020, 2551521, 3402028, 3645030, 4252535, 5103042, 7290060, 8505070, 10206084, 12757605, 17010140, 25515210, 51030420]

約数ペア:

[(1, 51030420), (2, 25515210), (3, 17010140), (4, 12757605), (5, 10206084), (6, 8505070), (7, 7290060), (10, 5103042), (12, 4252535), (14, 3645030), (15, 3402028), (20, 2551521), (21, 2430020), (28, 1822515), (30, 1701014), (35, 1458012), (42, 1215010), (60, 850507), (70, 729006), (84, 607505), (105, 486004), (140, 364503), (210, 243002), (420, 121501)]