28004580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155581}}^1$

素因数の和:155596

約数の個数: 36

約数和(自身を含む): 84947772

約数和(自身を除く): 56943192

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155581, 311162, 466743, 622324, 777905, 933486, 1400229, 1555810, 1866972, 2333715, 2800458, 3111620, 4667430, 5600916, 7001145, 9334860, 14002290, 28004580]

約数ペア:

[(1, 28004580), (2, 14002290), (3, 9334860), (4, 7001145), (5, 5600916), (6, 4667430), (9, 3111620), (10, 2800458), (12, 2333715), (15, 1866972), (18, 1555810), (20, 1400229), (30, 933486), (36, 777905), (45, 622324), (60, 466743), (90, 311162), (180, 155581)]