128007840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{266683}}^1$

素因数の和:266701

約数の個数: 48

約数和(自身を含む): 403226208

約数和(自身を除く): 275218368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 266683, 533366, 800049, 1066732, 1333415, 1600098, 2133464, 2666830, 3200196, 4000245, 4266928, 5333660, 6400392, 8000490, 8533856, 10667320, 12800784, 16000980, 21334640, 25601568, 32001960, 42669280, 64003920, 128007840]

約数ペア:

[(1, 128007840), (2, 64003920), (3, 42669280), (4, 32001960), (5, 25601568), (6, 21334640), (8, 16000980), (10, 12800784), (12, 10667320), (15, 8533856), (16, 8000490), (20, 6400392), (24, 5333660), (30, 4266928), (32, 4000245), (40, 3200196), (48, 2666830), (60, 2133464), (80, 1600098), (96, 1333415), (120, 1066732), (160, 800049), (240, 533366), (480, 266683)]