254072960

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4783}}^1$

素因数の和:4885

約数の個数: 64

約数和(自身を含む): 614839680

約数和(自身を除く): 360766720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1660, 2656, 3320, 4783, 5312, 6640, 9566, 10624, 13280, 19132, 23915, 26560, 38264, 47830, 53120, 76528, 95660, 153056, 191320, 306112, 382640, 396989, 612224, 765280, 793978, 1530560, 1587956, 1984945, 3061120, 3175912, 3969890, 6351824, 7939780, 12703648, 15879560, 25407296, 31759120, 50814592, 63518240, 127036480, 254072960]

約数ペア:

[(1, 254072960), (2, 127036480), (4, 63518240), (5, 50814592), (8, 31759120), (10, 25407296), (16, 15879560), (20, 12703648), (32, 7939780), (40, 6351824), (64, 3969890), (80, 3175912), (83, 3061120), (128, 1984945), (160, 1587956), (166, 1530560), (320, 793978), (332, 765280), (415, 612224), (640, 396989), (664, 382640), (830, 306112), (1328, 191320), (1660, 153056), (2656, 95660), (3320, 76528), (4783, 53120), (5312, 47830), (6640, 38264), (9566, 26560), (10624, 23915), (13280, 19132)]