201995280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{280549}}^1$

素因数の和:280568

約数の個数: 60

約数和(自身を含む): 678369900

約数和(自身を除く): 476374620

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, 280549, 561098, 841647, 1122196, 1402745, 1683294, 2244392, 2524941, 2805490, 3366588, 4208235, 4488784, 5049882, 5610980, 6733176, 8416470, 10099764, 11221960, 12624705, 13466352, 16832940, 20199528, 22443920, 25249410, 33665880, 40399056, 50498820, 67331760, 100997640, 201995280]

約数ペア:

[(1, 201995280), (2, 100997640), (3, 67331760), (4, 50498820), (5, 40399056), (6, 33665880), (8, 25249410), (9, 22443920), (10, 20199528), (12, 16832940), (15, 13466352), (16, 12624705), (18, 11221960), (20, 10099764), (24, 8416470), (30, 6733176), (36, 5610980), (40, 5049882), (45, 4488784), (48, 4208235), (60, 3366588), (72, 2805490), (80, 2524941), (90, 2244392), (120, 1683294), (144, 1402745), (180, 1122196), (240, 841647), (360, 561098), (720, 280549)]