168217840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1069}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 448989120

約数和(自身を除く): 280771280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1069, 1124, 1405, 1967, 2138, 2248, 2810, 3934, 4276, 4496, 5345, 5620, 7483, 7868, 8552, 9835, 10690, 11240, 14966, 15736, 17104, 19670, 21380, 22480, 29932, 31472, 37415, 39340, 42760, 59864, 74830, 78680, 85520, 119728, 149660, 157360, 299320, 300389, 598640, 600778, 1201556, 1501945, 2102723, 2403112, 3003890, 4205446, 4806224, 6007780, 8410892, 10513615, 12015560, 16821784, 21027230, 24031120, 33643568, 42054460, 84108920, 168217840]

約数ペア:

[(1, 168217840), (2, 84108920), (4, 42054460), (5, 33643568), (7, 24031120), (8, 21027230), (10, 16821784), (14, 12015560), (16, 10513615), (20, 8410892), (28, 6007780), (35, 4806224), (40, 4205446), (56, 3003890), (70, 2403112), (80, 2102723), (112, 1501945), (140, 1201556), (280, 600778), (281, 598640), (560, 300389), (562, 299320), (1069, 157360), (1124, 149660), (1405, 119728), (1967, 85520), (2138, 78680), (2248, 74830), (2810, 59864), (3934, 42760), (4276, 39340), (4496, 37415), (5345, 31472), (5620, 29932), (7483, 22480), (7868, 21380), (8552, 19670), (9835, 17104), (10690, 15736), (11240, 14966)]