28891620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53503}}^1$

素因数の和:53521

約数の個数: 48

約数和(自身を含む): 89886720

約数和(自身を除く): 60995100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 53503, 107006, 160509, 214012, 267515, 321018, 481527, 535030, 642036, 802545, 963054, 1070060, 1444581, 1605090, 1926108, 2407635, 2889162, 3210180, 4815270, 5778324, 7222905, 9630540, 14445810, 28891620]

約数ペア:

[(1, 28891620), (2, 14445810), (3, 9630540), (4, 7222905), (5, 5778324), (6, 4815270), (9, 3210180), (10, 2889162), (12, 2407635), (15, 1926108), (18, 1605090), (20, 1444581), (27, 1070060), (30, 963054), (36, 802545), (45, 642036), (54, 535030), (60, 481527), (90, 321018), (108, 267515), (135, 214012), (180, 160509), (270, 107006), (540, 53503)]