28711440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39877}}^1$

素因数の和:39896

約数の個数: 60

約数和(自身を含む): 96425004

約数和(自身を除く): 67713564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39877, 79754, 119631, 159508, 199385, 239262, 319016, 358893, 398770, 478524, 598155, 638032, 717786, 797540, 957048, 1196310, 1435572, 1595080, 1794465, 1914096, 2392620, 2871144, 3190160, 3588930, 4785240, 5742288, 7177860, 9570480, 14355720, 28711440]

約数ペア:

[(1, 28711440), (2, 14355720), (3, 9570480), (4, 7177860), (5, 5742288), (6, 4785240), (8, 3588930), (9, 3190160), (10, 2871144), (12, 2392620), (15, 1914096), (16, 1794465), (18, 1595080), (20, 1435572), (24, 1196310), (30, 957048), (36, 797540), (40, 717786), (45, 638032), (48, 598155), (60, 478524), (72, 398770), (80, 358893), (90, 319016), (120, 239262), (144, 199385), (180, 159508), (240, 119631), (360, 79754), (720, 39877)]