87885560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1117}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 226998720

約数和(自身を除く): 139113160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1117, 1124, 1405, 1967, 2234, 2248, 2810, 3934, 4468, 5585, 5620, 7819, 7868, 8936, 9835, 11170, 11240, 15638, 15736, 19670, 22340, 31276, 39095, 39340, 44680, 62552, 78190, 78680, 156380, 312760, 313877, 627754, 1255508, 1569385, 2197139, 2511016, 3138770, 4394278, 6277540, 8788556, 10985695, 12555080, 17577112, 21971390, 43942780, 87885560]

約数ペア:

[(1, 87885560), (2, 43942780), (4, 21971390), (5, 17577112), (7, 12555080), (8, 10985695), (10, 8788556), (14, 6277540), (20, 4394278), (28, 3138770), (35, 2511016), (40, 2197139), (56, 1569385), (70, 1255508), (140, 627754), (280, 313877), (281, 312760), (562, 156380), (1117, 78680), (1124, 78190), (1405, 62552), (1967, 44680), (2234, 39340), (2248, 39095), (2810, 31276), (3934, 22340), (4468, 19670), (5585, 15736), (5620, 15638), (7819, 11240), (7868, 11170), (8936, 9835)]