642821280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1339211}}^1$

素因数の和:1339229

約数の個数: 48

約数和(自身を含む): 2024888544

約数和(自身を除く): 1382067264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1339211, 2678422, 4017633, 5356844, 6696055, 8035266, 10713688, 13392110, 16070532, 20088165, 21427376, 26784220, 32141064, 40176330, 42854752, 53568440, 64282128, 80352660, 107136880, 128564256, 160705320, 214273760, 321410640, 642821280]

約数ペア:

[(1, 642821280), (2, 321410640), (3, 214273760), (4, 160705320), (5, 128564256), (6, 107136880), (8, 80352660), (10, 64282128), (12, 53568440), (15, 42854752), (16, 40176330), (20, 32141064), (24, 26784220), (30, 21427376), (32, 20088165), (40, 16070532), (48, 13392110), (60, 10713688), (80, 8035266), (96, 6696055), (120, 5356844), (160, 4017633), (240, 2678422), (480, 1339211)]