638049120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1329269}}^1$

素因数の和:1329287

約数の個数: 48

約数和(自身を含む): 2009856240

約数和(自身を除く): 1371807120

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, 1329269, 2658538, 3987807, 5317076, 6646345, 7975614, 10634152, 13292690, 15951228, 19939035, 21268304, 26585380, 31902456, 39878070, 42536608, 53170760, 63804912, 79756140, 106341520, 127609824, 159512280, 212683040, 319024560, 638049120]

約数ペア:

[(1, 638049120), (2, 319024560), (3, 212683040), (4, 159512280), (5, 127609824), (6, 106341520), (8, 79756140), (10, 63804912), (12, 53170760), (15, 42536608), (16, 39878070), (20, 31902456), (24, 26585380), (30, 21268304), (32, 19939035), (40, 15951228), (48, 13292690), (60, 10634152), (80, 7975614), (96, 6646345), (120, 5317076), (160, 3987807), (240, 2658538), (480, 1329269)]