27931920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 87202752

約数和(自身を除く): 59270832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 643, 724, 905, 1086, 1286, 1448, 1810, 1929, 2172, 2572, 2715, 2896, 3215, 3620, 3858, 4344, 5144, 5430, 6430, 7240, 7716, 8688, 9645, 10288, 10860, 12860, 14480, 15432, 19290, 21720, 25720, 30864, 38580, 43440, 51440, 77160, 116383, 154320, 232766, 349149, 465532, 581915, 698298, 931064, 1163830, 1396596, 1745745, 1862128, 2327660, 2793192, 3491490, 4655320, 5586384, 6982980, 9310640, 13965960, 27931920]

約数ペア:

[(1, 27931920), (2, 13965960), (3, 9310640), (4, 6982980), (5, 5586384), (6, 4655320), (8, 3491490), (10, 2793192), (12, 2327660), (15, 1862128), (16, 1745745), (20, 1396596), (24, 1163830), (30, 931064), (40, 698298), (48, 581915), (60, 465532), (80, 349149), (120, 232766), (181, 154320), (240, 116383), (362, 77160), (543, 51440), (643, 43440), (724, 38580), (905, 30864), (1086, 25720), (1286, 21720), (1448, 19290), (1810, 15432), (1929, 14480), (2172, 12860), (2572, 10860), (2715, 10288), (2896, 9645), (3215, 8688), (3620, 7716), (3858, 7240), (4344, 6430), (5144, 5430)]