178236880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 426829824

約数和(自身を除く): 248592944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 127, 212, 254, 265, 331, 424, 508, 530, 635, 662, 848, 1016, 1060, 1270, 1324, 1655, 2032, 2120, 2540, 2648, 3310, 4240, 5080, 5296, 6620, 6731, 10160, 13240, 13462, 17543, 26480, 26924, 33655, 35086, 42037, 53848, 67310, 70172, 84074, 87715, 107696, 134620, 140344, 168148, 175430, 210185, 269240, 280688, 336296, 350860, 420370, 538480, 672592, 701720, 840740, 1403440, 1681480, 2227961, 3362960, 4455922, 8911844, 11139805, 17823688, 22279610, 35647376, 44559220, 89118440, 178236880]

約数ペア:

[(1, 178236880), (2, 89118440), (4, 44559220), (5, 35647376), (8, 22279610), (10, 17823688), (16, 11139805), (20, 8911844), (40, 4455922), (53, 3362960), (80, 2227961), (106, 1681480), (127, 1403440), (212, 840740), (254, 701720), (265, 672592), (331, 538480), (424, 420370), (508, 350860), (530, 336296), (635, 280688), (662, 269240), (848, 210185), (1016, 175430), (1060, 168148), (1270, 140344), (1324, 134620), (1655, 107696), (2032, 87715), (2120, 84074), (2540, 70172), (2648, 67310), (3310, 53848), (4240, 42037), (5080, 35086), (5296, 33655), (6620, 26924), (6731, 26480), (10160, 17543), (13240, 13462)]