28543980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1693}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 80254944

約数和(自身を除く): 51710964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 1693, 2810, 3372, 3386, 4215, 5079, 5620, 6772, 8430, 8465, 10158, 16860, 16930, 20316, 25395, 33860, 50790, 101580, 475733, 951466, 1427199, 1902932, 2378665, 2854398, 4757330, 5708796, 7135995, 9514660, 14271990, 28543980]

約数ペア:

[(1, 28543980), (2, 14271990), (3, 9514660), (4, 7135995), (5, 5708796), (6, 4757330), (10, 2854398), (12, 2378665), (15, 1902932), (20, 1427199), (30, 951466), (60, 475733), (281, 101580), (562, 50790), (843, 33860), (1124, 25395), (1405, 20316), (1686, 16930), (1693, 16860), (2810, 10158), (3372, 8465), (3386, 8430), (4215, 6772), (5079, 5620)]