180630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{223}}^1$

素因数の和:242

約数の個数: 40

約数和(自身を含む): 487872

約数和(自身を除く): 307242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 223, 270, 405, 446, 669, 810, 1115, 1338, 2007, 2230, 3345, 4014, 6021, 6690, 10035, 12042, 18063, 20070, 30105, 36126, 60210, 90315, 180630]

約数ペア:

[(1, 180630), (2, 90315), (3, 60210), (5, 36126), (6, 30105), (9, 20070), (10, 18063), (15, 12042), (18, 10035), (27, 6690), (30, 6021), (45, 4014), (54, 3345), (81, 2230), (90, 2007), (135, 1338), (162, 1115), (223, 810), (270, 669), (405, 446)]