280858240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33757}}^1$

素因数の和:33789

約数の個数: 64

約数和(自身を含む): 723096360

約数和(自身を除く): 442238120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 33757, 67514, 135028, 168785, 270056, 337570, 438841, 540112, 675140, 877682, 1080224, 1350280, 1755364, 2160448, 2194205, 2700560, 3510728, 4320896, 4388410, 5401120, 7021456, 8776820, 10802240, 14042912, 17553640, 21604480, 28085824, 35107280, 56171648, 70214560, 140429120, 280858240]

約数ペア:

[(1, 280858240), (2, 140429120), (4, 70214560), (5, 56171648), (8, 35107280), (10, 28085824), (13, 21604480), (16, 17553640), (20, 14042912), (26, 10802240), (32, 8776820), (40, 7021456), (52, 5401120), (64, 4388410), (65, 4320896), (80, 3510728), (104, 2700560), (128, 2194205), (130, 2160448), (160, 1755364), (208, 1350280), (260, 1080224), (320, 877682), (416, 675140), (520, 540112), (640, 438841), (832, 337570), (1040, 270056), (1664, 168785), (2080, 135028), (4160, 67514), (8320, 33757)]